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Finding the Fourth Proportional to 27,793.24, 38,355.24 and 15,218.08

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Solution

The fourth proportional to 27,793.24, 38,355.24 and 15,218.08 is: 21,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.24 : 38,355.24 = 15,218.08 : x
  2. Step 2: Convert to fraction form
    27,793.24/38,355.24 = 15,218.08/x
  3. Step 3: Cross multiply
    27,793.24x = 38,355.24 × 15,218.08
  4. Step 4: Simplify right side
    27,793.24x = 583,693,110.74
  5. Step 5: Solve for x
    x = 583,693,110.74/27,793.24
  6. Step 6: Final answer
    x = 21,001.26

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