Home / 38,279.16-57,418.83-11,625.39

Finding the Fourth Proportional to 38,279.16, 57,418.83 and 11,625.39

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Solution

The fourth proportional to 38,279.16, 57,418.83 and 11,625.39 is: 17,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.16 : 57,418.83 = 11,625.39 : x
  2. Step 2: Convert to fraction form
    38,279.16/57,418.83 = 11,625.39/x
  3. Step 3: Cross multiply
    38,279.16x = 57,418.83 × 11,625.39
  4. Step 4: Simplify right side
    38,279.16x = 667,516,292.09
  5. Step 5: Solve for x
    x = 667,516,292.09/38,279.16
  6. Step 6: Final answer
    x = 17,438.11

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1.5x scale

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.