Home / 27,321.17-40,987.20-8,605.93

Finding the Fourth Proportional to 27,321.17, 40,987.20 and 8,605.93

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Solution

The fourth proportional to 27,321.17, 40,987.20 and 8,605.93 is: 12,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.17 : 40,987.20 = 8,605.93 : x
  2. Step 2: Convert to fraction form
    27,321.17/40,987.20 = 8,605.93/x
  3. Step 3: Cross multiply
    27,321.17x = 40,987.20 × 8,605.93
  4. Step 4: Simplify right side
    27,321.17x = 352,732,974.10
  5. Step 5: Solve for x
    x = 352,732,974.10/27,321.17
  6. Step 6: Final answer
    x = 12,910.61

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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.