Home / 27,131.26-40,710.71-15,902.80

Finding the Fourth Proportional to 27,131.26, 40,710.71 and 15,902.80

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Solution

The fourth proportional to 27,131.26, 40,710.71 and 15,902.80 is: 23,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.26 : 40,710.71 = 15,902.80 : x
  2. Step 2: Convert to fraction form
    27,131.26/40,710.71 = 15,902.80/x
  3. Step 3: Cross multiply
    27,131.26x = 40,710.71 × 15,902.80
  4. Step 4: Simplify right side
    27,131.26x = 647,414,278.99
  5. Step 5: Solve for x
    x = 647,414,278.99/27,131.26
  6. Step 6: Final answer
    x = 23,862.30

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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.