Home / 26,918.59-40,377.92-12,124.75

Finding the Fourth Proportional to 26,918.59, 40,377.92 and 12,124.75

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Solution

The fourth proportional to 26,918.59, 40,377.92 and 12,124.75 is: 18,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.59 : 40,377.92 = 12,124.75 : x
  2. Step 2: Convert to fraction form
    26,918.59/40,377.92 = 12,124.75/x
  3. Step 3: Cross multiply
    26,918.59x = 40,377.92 × 12,124.75
  4. Step 4: Simplify right side
    26,918.59x = 489,572,185.52
  5. Step 5: Solve for x
    x = 489,572,185.52/26,918.59
  6. Step 6: Final answer
    x = 18,187.14

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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.