Home / 57,986.28-86,983.67-18,000.02

Finding the Fourth Proportional to 57,986.28, 86,983.67 and 18,000.02

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Solution

The fourth proportional to 57,986.28, 86,983.67 and 18,000.02 is: 27,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.28 : 86,983.67 = 18,000.02 : x
  2. Step 2: Convert to fraction form
    57,986.28/86,983.67 = 18,000.02/x
  3. Step 3: Cross multiply
    57,986.28x = 86,983.67 × 18,000.02
  4. Step 4: Simplify right side
    57,986.28x = 1,565,708,062.13
  5. Step 5: Solve for x
    x = 1,565,708,062.13/57,986.28
  6. Step 6: Final answer
    x = 27,001.35

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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.