Home / 57,899.28-86,847.90-18,456.06

Finding the Fourth Proportional to 57,899.28, 86,847.90 and 18,456.06

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Solution

The fourth proportional to 57,899.28, 86,847.90 and 18,456.06 is: 27,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,899.28 : 86,847.90 = 18,456.06 : x
  2. Step 2: Convert to fraction form
    57,899.28/86,847.90 = 18,456.06/x
  3. Step 3: Cross multiply
    57,899.28x = 86,847.90 × 18,456.06
  4. Step 4: Simplify right side
    57,899.28x = 1,602,870,053.27
  5. Step 5: Solve for x
    x = 1,602,870,053.27/57,899.28
  6. Step 6: Final answer
    x = 27,683.76

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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.