Home / 26,631.56-39,951.18-8,165

Finding the Fourth Proportional to 26,631.56, 39,951.18 and 8,165

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Solution

The fourth proportional to 26,631.56, 39,951.18 and 8,165 is: 12,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.56 : 39,951.18 = 8,165 : x
  2. Step 2: Convert to fraction form
    26,631.56/39,951.18 = 8,165/x
  3. Step 3: Cross multiply
    26,631.56x = 39,951.18 × 8,165
  4. Step 4: Simplify right side
    26,631.56x = 326,201,384.70
  5. Step 5: Solve for x
    x = 326,201,384.70/26,631.56
  6. Step 6: Final answer
    x = 12,248.68

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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.