Home / 25,726.08-35,487.12-15,113.52

Finding the Fourth Proportional to 25,726.08, 35,487.12 and 15,113.52

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Solution

The fourth proportional to 25,726.08, 35,487.12 and 15,113.52 is: 20,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.08 : 35,487.12 = 15,113.52 : x
  2. Step 2: Convert to fraction form
    25,726.08/35,487.12 = 15,113.52/x
  3. Step 3: Cross multiply
    25,726.08x = 35,487.12 × 15,113.52
  4. Step 4: Simplify right side
    25,726.08x = 536,335,297.86
  5. Step 5: Solve for x
    x = 536,335,297.86/25,726.08
  6. Step 6: Final answer
    x = 20,847.92

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1.5x scale

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.