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Finding the Fourth Proportional to 22,373.52, 33,539.32 and 7,572.08

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Solution

The fourth proportional to 22,373.52, 33,539.32 and 7,572.08 is: 11,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.52 : 33,539.32 = 7,572.08 : x
  2. Step 2: Convert to fraction form
    22,373.52/33,539.32 = 7,572.08/x
  3. Step 3: Cross multiply
    22,373.52x = 33,539.32 × 7,572.08
  4. Step 4: Simplify right side
    22,373.52x = 253,962,414.19
  5. Step 5: Solve for x
    x = 253,962,414.19/22,373.52
  6. Step 6: Final answer
    x = 11,351.03

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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.