Home / 21,233.76-31,857.28-16,569.68

Finding the Fourth Proportional to 21,233.76, 31,857.28 and 16,569.68

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Solution

The fourth proportional to 21,233.76, 31,857.28 and 16,569.68 is: 24,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.76 : 31,857.28 = 16,569.68 : x
  2. Step 2: Convert to fraction form
    21,233.76/31,857.28 = 16,569.68/x
  3. Step 3: Cross multiply
    21,233.76x = 31,857.28 × 16,569.68
  4. Step 4: Simplify right side
    21,233.76x = 527,864,935.27
  5. Step 5: Solve for x
    x = 527,864,935.27/21,233.76
  6. Step 6: Final answer
    x = 24,859.70

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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.