Home / 38,221.76-57,309.36-17,157.71

Finding the Fourth Proportional to 38,221.76, 57,309.36 and 17,157.71

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Solution

The fourth proportional to 38,221.76, 57,309.36 and 17,157.71 is: 25,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.76 : 57,309.36 = 17,157.71 : x
  2. Step 2: Convert to fraction form
    38,221.76/57,309.36 = 17,157.71/x
  3. Step 3: Cross multiply
    38,221.76x = 57,309.36 × 17,157.71
  4. Step 4: Simplify right side
    38,221.76x = 983,297,458.10
  5. Step 5: Solve for x
    x = 983,297,458.10/38,221.76
  6. Step 6: Final answer
    x = 25,726.12

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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.