Home / 26,371.90-36,387.11-15,611.36

Finding the Fourth Proportional to 26,371.90, 36,387.11 and 15,611.36

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Solution

The fourth proportional to 26,371.90, 36,387.11 and 15,611.36 is: 21,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,371.90 : 36,387.11 = 15,611.36 : x
  2. Step 2: Convert to fraction form
    26,371.90/36,387.11 = 15,611.36/x
  3. Step 3: Cross multiply
    26,371.90x = 36,387.11 × 15,611.36
  4. Step 4: Simplify right side
    26,371.90x = 568,052,273.57
  5. Step 5: Solve for x
    x = 568,052,273.57/26,371.90
  6. Step 6: Final answer
    x = 21,540.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.