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Finding the Fourth Proportional to 19,592.67, 27,046.16 and 13,227.88

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Solution

The fourth proportional to 19,592.67, 27,046.16 and 13,227.88 is: 18,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.67 : 27,046.16 = 13,227.88 : x
  2. Step 2: Convert to fraction form
    19,592.67/27,046.16 = 13,227.88/x
  3. Step 3: Cross multiply
    19,592.67x = 27,046.16 × 13,227.88
  4. Step 4: Simplify right side
    19,592.67x = 357,763,326.61
  5. Step 5: Solve for x
    x = 357,763,326.61/19,592.67
  6. Step 6: Final answer
    x = 18,260.06

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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.