Respuesta :

  3 + 4 = 7
  7 + 4 = 11
11 + 4 = 15

So from the pattern here, we need  to add 4 to term to get the next term.

So the remaining three terms would be
15 + 4 = 19
19 + 4 = 23
23 + 4 = 27

Hope this helps.