Home / 27,418.13-41,144.21-12,629.15

Finding the Fourth Proportional to 27,418.13, 41,144.21 and 12,629.15

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Solution

The fourth proportional to 27,418.13, 41,144.21 and 12,629.15 is: 18,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.13 : 41,144.21 = 12,629.15 : x
  2. Step 2: Convert to fraction form
    27,418.13/41,144.21 = 12,629.15/x
  3. Step 3: Cross multiply
    27,418.13x = 41,144.21 × 12,629.15
  4. Step 4: Simplify right side
    27,418.13x = 519,616,336.58
  5. Step 5: Solve for x
    x = 519,616,336.58/27,418.13
  6. Step 6: Final answer
    x = 18,951.56

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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.