Home / 22,931.16-34,338.42-21,006.60

Finding the Fourth Proportional to 22,931.16, 34,338.42 and 21,006.60

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Solution

The fourth proportional to 22,931.16, 34,338.42 and 21,006.60 is: 31,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.16 : 34,338.42 = 21,006.60 : x
  2. Step 2: Convert to fraction form
    22,931.16/34,338.42 = 21,006.60/x
  3. Step 3: Cross multiply
    22,931.16x = 34,338.42 × 21,006.60
  4. Step 4: Simplify right side
    22,931.16x = 721,333,453.57
  5. Step 5: Solve for x
    x = 721,333,453.57/22,931.16
  6. Step 6: Final answer
    x = 31,456.47

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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.