Home / 15,917.92-23,877.10-4,231.08

Finding the Fourth Proportional to 15,917.92, 23,877.10 and 4,231.08

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Solution

The fourth proportional to 15,917.92, 23,877.10 and 4,231.08 is: 6,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.92 : 23,877.10 = 4,231.08 : x
  2. Step 2: Convert to fraction form
    15,917.92/23,877.10 = 4,231.08/x
  3. Step 3: Cross multiply
    15,917.92x = 23,877.10 × 4,231.08
  4. Step 4: Simplify right side
    15,917.92x = 101,025,920.27
  5. Step 5: Solve for x
    x = 101,025,920.27/15,917.92
  6. Step 6: Final answer
    x = 6,346.68

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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.