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Finding the Fourth Proportional to 27,613.70, 38,107.41 and 15,038.66

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Solution

The fourth proportional to 27,613.70, 38,107.41 and 15,038.66 is: 20,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.70 : 38,107.41 = 15,038.66 : x
  2. Step 2: Convert to fraction form
    27,613.70/38,107.41 = 15,038.66/x
  3. Step 3: Cross multiply
    27,613.70x = 38,107.41 × 15,038.66
  4. Step 4: Simplify right side
    27,613.70x = 573,084,382.47
  5. Step 5: Solve for x
    x = 573,084,382.47/27,613.70
  6. Step 6: Final answer
    x = 20,753.63

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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.