Home / 38,281.39-57,418.38-11,627.62

Finding the Fourth Proportional to 38,281.39, 57,418.38 and 11,627.62

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Solution

The fourth proportional to 38,281.39, 57,418.38 and 11,627.62 is: 17,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.39 : 57,418.38 = 11,627.62 : x
  2. Step 2: Convert to fraction form
    38,281.39/57,418.38 = 11,627.62/x
  3. Step 3: Cross multiply
    38,281.39x = 57,418.38 × 11,627.62
  4. Step 4: Simplify right side
    38,281.39x = 667,639,103.66
  5. Step 5: Solve for x
    x = 667,639,103.66/38,281.39
  6. Step 6: Final answer
    x = 17,440.30

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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.