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Finding the Fourth Proportional to 27,892.22, 41,789.12 and 14,715.54

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Solution

The fourth proportional to 27,892.22, 41,789.12 and 14,715.54 is: 22,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.22 : 41,789.12 = 14,715.54 : x
  2. Step 2: Convert to fraction form
    27,892.22/41,789.12 = 14,715.54/x
  3. Step 3: Cross multiply
    27,892.22x = 41,789.12 × 14,715.54
  4. Step 4: Simplify right side
    27,892.22x = 614,949,393.35
  5. Step 5: Solve for x
    x = 614,949,393.35/27,892.22
  6. Step 6: Final answer
    x = 22,047.35

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1.5x scale

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.