Home / 26,584.32-39,872.16-8,112

Finding the Fourth Proportional to 26,584.32, 39,872.16 and 8,112

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Solution

The fourth proportional to 26,584.32, 39,872.16 and 8,112 is: 12,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,584.32 : 39,872.16 = 8,112 : x
  2. Step 2: Convert to fraction form
    26,584.32/39,872.16 = 8,112/x
  3. Step 3: Cross multiply
    26,584.32x = 39,872.16 × 8,112
  4. Step 4: Simplify right side
    26,584.32x = 323,442,961.92
  5. Step 5: Solve for x
    x = 323,442,961.92/26,584.32
  6. Step 6: Final answer
    x = 12,166.68

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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.