Home / 21,331.73-31,972.68-16,049.78

Finding the Fourth Proportional to 21,331.73, 31,972.68 and 16,049.78

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Solution

The fourth proportional to 21,331.73, 31,972.68 and 16,049.78 is: 24,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.73 : 31,972.68 = 16,049.78 : x
  2. Step 2: Convert to fraction form
    21,331.73/31,972.68 = 16,049.78/x
  3. Step 3: Cross multiply
    21,331.73x = 31,972.68 × 16,049.78
  4. Step 4: Simplify right side
    21,331.73x = 513,154,480.01
  5. Step 5: Solve for x
    x = 513,154,480.01/21,331.73
  6. Step 6: Final answer
    x = 24,055.92

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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.