Home / 19,642.77-27,109.35-11,578.23

Finding the Fourth Proportional to 19,642.77, 27,109.35 and 11,578.23

Calculator

Solution

The fourth proportional to 19,642.77, 27,109.35 and 11,578.23 is: 15,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.77 : 27,109.35 = 11,578.23 : x
  2. Step 2: Convert to fraction form
    19,642.77/27,109.35 = 11,578.23/x
  3. Step 3: Cross multiply
    19,642.77x = 27,109.35 × 11,578.23
  4. Step 4: Simplify right side
    19,642.77x = 313,878,289.45
  5. Step 5: Solve for x
    x = 313,878,289.45/19,642.77
  6. Step 6: Final answer
    x = 15,979.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.