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Finding the Fourth Proportional to 27,489.56, 41,235.11 and 9,717.71

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Solution

The fourth proportional to 27,489.56, 41,235.11 and 9,717.71 is: 14,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.56 : 41,235.11 = 9,717.71 : x
  2. Step 2: Convert to fraction form
    27,489.56/41,235.11 = 9,717.71/x
  3. Step 3: Cross multiply
    27,489.56x = 41,235.11 × 9,717.71
  4. Step 4: Simplify right side
    27,489.56x = 400,710,586.03
  5. Step 5: Solve for x
    x = 400,710,586.03/27,489.56
  6. Step 6: Final answer
    x = 14,576.83

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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.