Home / 25,691.29-35,449.86-15,614.35

Finding the Fourth Proportional to 25,691.29, 35,449.86 and 15,614.35

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Solution

The fourth proportional to 25,691.29, 35,449.86 and 15,614.35 is: 21,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.29 : 35,449.86 = 15,614.35 : x
  2. Step 2: Convert to fraction form
    25,691.29/35,449.86 = 15,614.35/x
  3. Step 3: Cross multiply
    25,691.29x = 35,449.86 × 15,614.35
  4. Step 4: Simplify right side
    25,691.29x = 553,526,521.49
  5. Step 5: Solve for x
    x = 553,526,521.49/25,691.29
  6. Step 6: Final answer
    x = 21,545.30

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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.