Home / 42,375.29-63,560.87-15,726.47

Finding the Fourth Proportional to 42,375.29, 63,560.87 and 15,726.47

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Solution

The fourth proportional to 42,375.29, 63,560.87 and 15,726.47 is: 23,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.29 : 63,560.87 = 15,726.47 : x
  2. Step 2: Convert to fraction form
    42,375.29/63,560.87 = 15,726.47/x
  3. Step 3: Cross multiply
    42,375.29x = 63,560.87 × 15,726.47
  4. Step 4: Simplify right side
    42,375.29x = 999,588,104.58
  5. Step 5: Solve for x
    x = 999,588,104.58/42,375.29
  6. Step 6: Final answer
    x = 23,588.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.