Home / 57,243.28-85,855.04-15,123.82

Finding the Fourth Proportional to 57,243.28, 85,855.04 and 15,123.82

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Solution

The fourth proportional to 57,243.28, 85,855.04 and 15,123.82 is: 22,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243.28 : 85,855.04 = 15,123.82 : x
  2. Step 2: Convert to fraction form
    57,243.28/85,855.04 = 15,123.82/x
  3. Step 3: Cross multiply
    57,243.28x = 85,855.04 × 15,123.82
  4. Step 4: Simplify right side
    57,243.28x = 1,298,456,171.05
  5. Step 5: Solve for x
    x = 1,298,456,171.05/57,243.28
  6. Step 6: Final answer
    x = 22,683.12

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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.