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Finding the Fourth Proportional to 27,257.13, 40,885.69 and 8,789.13

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Solution

The fourth proportional to 27,257.13, 40,885.69 and 8,789.13 is: 13,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.13 : 40,885.69 = 8,789.13 : x
  2. Step 2: Convert to fraction form
    27,257.13/40,885.69 = 8,789.13/x
  3. Step 3: Cross multiply
    27,257.13x = 40,885.69 × 8,789.13
  4. Step 4: Simplify right side
    27,257.13x = 359,349,644.55
  5. Step 5: Solve for x
    x = 359,349,644.55/27,257.13
  6. Step 6: Final answer
    x = 13,183.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.