Respuesta :

First we set up a proportion:

[tex] \frac{3}{4} = \frac{27}{x} [/tex]

Now we solve the proportion:

• 27*4 = 108

• 3*x = 4x

• 3x = 108

We solve for X by dividing 3 on both sides:

• 3x/3 = x
• 108/3= 36 

Our answer: 

x = 36

There were 36 boys in the club.