Home / 17,939.55-26,899.18-8,581.83

Finding the Fourth Proportional to 17,939.55, 26,899.18 and 8,581.83

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Solution

The fourth proportional to 17,939.55, 26,899.18 and 8,581.83 is: 12,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.55 : 26,899.18 = 8,581.83 : x
  2. Step 2: Convert to fraction form
    17,939.55/26,899.18 = 8,581.83/x
  3. Step 3: Cross multiply
    17,939.55x = 26,899.18 × 8,581.83
  4. Step 4: Simplify right side
    17,939.55x = 230,844,189.90
  5. Step 5: Solve for x
    x = 230,844,189.90/17,939.55
  6. Step 6: Final answer
    x = 12,867.89

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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.