Home / 27,257.17-40,800.09-18,773.89

Finding the Fourth Proportional to 27,257.17, 40,800.09 and 18,773.89

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Solution

The fourth proportional to 27,257.17, 40,800.09 and 18,773.89 is: 28,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.17 : 40,800.09 = 18,773.89 : x
  2. Step 2: Convert to fraction form
    27,257.17/40,800.09 = 18,773.89/x
  3. Step 3: Cross multiply
    27,257.17x = 40,800.09 × 18,773.89
  4. Step 4: Simplify right side
    27,257.17x = 765,976,401.65
  5. Step 5: Solve for x
    x = 765,976,401.65/27,257.17
  6. Step 6: Final answer
    x = 28,101.83

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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.