Home / 22,572.73-33,620.76-21,387.30

Finding the Fourth Proportional to 22,572.73, 33,620.76 and 21,387.30

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Solution

The fourth proportional to 22,572.73, 33,620.76 and 21,387.30 is: 31,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572.73 : 33,620.76 = 21,387.30 : x
  2. Step 2: Convert to fraction form
    22,572.73/33,620.76 = 21,387.30/x
  3. Step 3: Cross multiply
    22,572.73x = 33,620.76 × 21,387.30
  4. Step 4: Simplify right side
    22,572.73x = 719,057,280.35
  5. Step 5: Solve for x
    x = 719,057,280.35/22,572.73
  6. Step 6: Final answer
    x = 31,855.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.