Home / 38,128.44-57,185.70-15,935.88

Finding the Fourth Proportional to 38,128.44, 57,185.70 and 15,935.88

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Solution

The fourth proportional to 38,128.44, 57,185.70 and 15,935.88 is: 23,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128.44 : 57,185.70 = 15,935.88 : x
  2. Step 2: Convert to fraction form
    38,128.44/57,185.70 = 15,935.88/x
  3. Step 3: Cross multiply
    38,128.44x = 57,185.70 × 15,935.88
  4. Step 4: Simplify right side
    38,128.44x = 911,304,452.92
  5. Step 5: Solve for x
    x = 911,304,452.92/38,128.44
  6. Step 6: Final answer
    x = 23,900.91

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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.