Home / 22,684.59-31,270.05-15,951.87

Finding the Fourth Proportional to 22,684.59, 31,270.05 and 15,951.87

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Solution

The fourth proportional to 22,684.59, 31,270.05 and 15,951.87 is: 21,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.59 : 31,270.05 = 15,951.87 : x
  2. Step 2: Convert to fraction form
    22,684.59/31,270.05 = 15,951.87/x
  3. Step 3: Cross multiply
    22,684.59x = 31,270.05 × 15,951.87
  4. Step 4: Simplify right side
    22,684.59x = 498,815,772.49
  5. Step 5: Solve for x
    x = 498,815,772.49/22,684.59
  6. Step 6: Final answer
    x = 21,989.19

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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.