Home / 27,713.19-41,540.76-12,909.90

Finding the Fourth Proportional to 27,713.19, 41,540.76 and 12,909.90

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Solution

The fourth proportional to 27,713.19, 41,540.76 and 12,909.90 is: 19,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.19 : 41,540.76 = 12,909.90 : x
  2. Step 2: Convert to fraction form
    27,713.19/41,540.76 = 12,909.90/x
  3. Step 3: Cross multiply
    27,713.19x = 41,540.76 × 12,909.90
  4. Step 4: Simplify right side
    27,713.19x = 536,287,057.52
  5. Step 5: Solve for x
    x = 536,287,057.52/27,713.19
  6. Step 6: Final answer
    x = 19,351.33

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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.