Home / 57,311.24-85,957.02-15,191.72

Finding the Fourth Proportional to 57,311.24, 85,957.02 and 15,191.72

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Solution

The fourth proportional to 57,311.24, 85,957.02 and 15,191.72 is: 22,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,311.24 : 85,957.02 = 15,191.72 : x
  2. Step 2: Convert to fraction form
    57,311.24/85,957.02 = 15,191.72/x
  3. Step 3: Cross multiply
    57,311.24x = 85,957.02 × 15,191.72
  4. Step 4: Simplify right side
    57,311.24x = 1,305,834,979.87
  5. Step 5: Solve for x
    x = 1,305,834,979.87/57,311.24
  6. Step 6: Final answer
    x = 22,784.97

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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.