Home / 38,279.40-57,415.37-11,625.62

Finding the Fourth Proportional to 38,279.40, 57,415.37 and 11,625.62

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Solution

The fourth proportional to 38,279.40, 57,415.37 and 11,625.62 is: 17,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.40 : 57,415.37 = 11,625.62 : x
  2. Step 2: Convert to fraction form
    38,279.40/57,415.37 = 11,625.62/x
  3. Step 3: Cross multiply
    38,279.40x = 57,415.37 × 11,625.62
  4. Step 4: Simplify right side
    38,279.40x = 667,489,273.78
  5. Step 5: Solve for x
    x = 667,489,273.78/38,279.40
  6. Step 6: Final answer
    x = 17,437.30

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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.