Home / 27,781.20-41,623.19-23,131.10

Finding the Fourth Proportional to 27,781.20, 41,623.19 and 23,131.10

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Solution

The fourth proportional to 27,781.20, 41,623.19 and 23,131.10 is: 34,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,781.20 : 41,623.19 = 23,131.10 : x
  2. Step 2: Convert to fraction form
    27,781.20/41,623.19 = 23,131.10/x
  3. Step 3: Cross multiply
    27,781.20x = 41,623.19 × 23,131.10
  4. Step 4: Simplify right side
    27,781.20x = 962,790,170.21
  5. Step 5: Solve for x
    x = 962,790,170.21/27,781.20
  6. Step 6: Final answer
    x = 34,656.18

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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.