Home / 26,843.90-40,280.31-15,772.20

Finding the Fourth Proportional to 26,843.90, 40,280.31 and 15,772.20

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Solution

The fourth proportional to 26,843.90, 40,280.31 and 15,772.20 is: 23,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.90 : 40,280.31 = 15,772.20 : x
  2. Step 2: Convert to fraction form
    26,843.90/40,280.31 = 15,772.20/x
  3. Step 3: Cross multiply
    26,843.90x = 40,280.31 × 15,772.20
  4. Step 4: Simplify right side
    26,843.90x = 635,309,105.38
  5. Step 5: Solve for x
    x = 635,309,105.38/26,843.90
  6. Step 6: Final answer
    x = 23,666.80

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1.5x scale

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.