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Finding the Fourth Proportional to 27,092, 37,385.92 and 15,156.44

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Solution

The fourth proportional to 27,092, 37,385.92 and 15,156.44 is: 20,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,092 : 37,385.92 = 15,156.44 : x
  2. Step 2: Convert to fraction form
    27,092/37,385.92 = 15,156.44/x
  3. Step 3: Cross multiply
    27,092x = 37,385.92 × 15,156.44
  4. Step 4: Simplify right side
    27,092x = 566,637,453.32
  5. Step 5: Solve for x
    x = 566,637,453.32/27,092
  6. Step 6: Final answer
    x = 20,915.31

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Why These Related Problems?

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