Home / 57,127.68-85,695.52-17,679.60

Finding the Fourth Proportional to 57,127.68, 85,695.52 and 17,679.60

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Solution

The fourth proportional to 57,127.68, 85,695.52 and 17,679.60 is: 26,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.68 : 85,695.52 = 17,679.60 : x
  2. Step 2: Convert to fraction form
    57,127.68/85,695.52 = 17,679.60/x
  3. Step 3: Cross multiply
    57,127.68x = 85,695.52 × 17,679.60
  4. Step 4: Simplify right side
    57,127.68x = 1,515,062,515.39
  5. Step 5: Solve for x
    x = 1,515,062,515.39/57,127.68
  6. Step 6: Final answer
    x = 26,520.64

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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.