Home / 56,729.28-85,087.44-15,179.52

Finding the Fourth Proportional to 56,729.28, 85,087.44 and 15,179.52

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Solution

The fourth proportional to 56,729.28, 85,087.44 and 15,179.52 is: 22,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.28 : 85,087.44 = 15,179.52 : x
  2. Step 2: Convert to fraction form
    56,729.28/85,087.44 = 15,179.52/x
  3. Step 3: Cross multiply
    56,729.28x = 85,087.44 × 15,179.52
  4. Step 4: Simplify right side
    56,729.28x = 1,291,586,497.23
  5. Step 5: Solve for x
    x = 1,291,586,497.23/56,729.28
  6. Step 6: Final answer
    x = 22,767.55

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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.