Home / 27,891.20-41,808.72-12,306.08

Finding the Fourth Proportional to 27,891.20, 41,808.72 and 12,306.08

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Solution

The fourth proportional to 27,891.20, 41,808.72 and 12,306.08 is: 18,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.20 : 41,808.72 = 12,306.08 : x
  2. Step 2: Convert to fraction form
    27,891.20/41,808.72 = 12,306.08/x
  3. Step 3: Cross multiply
    27,891.20x = 41,808.72 × 12,306.08
  4. Step 4: Simplify right side
    27,891.20x = 514,501,453.02
  5. Step 5: Solve for x
    x = 514,501,453.02/27,891.20
  6. Step 6: Final answer
    x = 18,446.73

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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.