Home / 27,456.16-41,172-8,732.68

Finding the Fourth Proportional to 27,456.16, 41,172 and 8,732.68

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Solution

The fourth proportional to 27,456.16, 41,172 and 8,732.68 is: 13,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.16 : 41,172 = 8,732.68 : x
  2. Step 2: Convert to fraction form
    27,456.16/41,172 = 8,732.68/x
  3. Step 3: Cross multiply
    27,456.16x = 41,172 × 8,732.68
  4. Step 4: Simplify right side
    27,456.16x = 359,541,900.96
  5. Step 5: Solve for x
    x = 359,541,900.96/27,456.16
  6. Step 6: Final answer
    x = 13,095.13

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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.