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Finding the Fourth Proportional to 22,357.71, 30,854.49 and 13,403.52

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Solution

The fourth proportional to 22,357.71, 30,854.49 and 13,403.52 is: 18,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.71 : 30,854.49 = 13,403.52 : x
  2. Step 2: Convert to fraction form
    22,357.71/30,854.49 = 13,403.52/x
  3. Step 3: Cross multiply
    22,357.71x = 30,854.49 × 13,403.52
  4. Step 4: Simplify right side
    22,357.71x = 413,558,773.80
  5. Step 5: Solve for x
    x = 413,558,773.80/22,357.71
  6. Step 6: Final answer
    x = 18,497.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.