Home / 26,456.92-39,702.66-12,607

Finding the Fourth Proportional to 26,456.92, 39,702.66 and 12,607

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Solution

The fourth proportional to 26,456.92, 39,702.66 and 12,607 is: 18,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.92 : 39,702.66 = 12,607 : x
  2. Step 2: Convert to fraction form
    26,456.92/39,702.66 = 12,607/x
  3. Step 3: Cross multiply
    26,456.92x = 39,702.66 × 12,607
  4. Step 4: Simplify right side
    26,456.92x = 500,531,434.62
  5. Step 5: Solve for x
    x = 500,531,434.62/26,456.92
  6. Step 6: Final answer
    x = 18,918.73

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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.