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Finding the Fourth Proportional to 22,295.52, 30,739.50 and 15,929.73

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Solution

The fourth proportional to 22,295.52, 30,739.50 and 15,929.73 is: 21,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.52 : 30,739.50 = 15,929.73 : x
  2. Step 2: Convert to fraction form
    22,295.52/30,739.50 = 15,929.73/x
  3. Step 3: Cross multiply
    22,295.52x = 30,739.50 × 15,929.73
  4. Step 4: Simplify right side
    22,295.52x = 489,671,935.34
  5. Step 5: Solve for x
    x = 489,671,935.34/22,295.52
  6. Step 6: Final answer
    x = 21,962.80

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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.