Home / 21,418.76-29,526.46-15,025.97

Finding the Fourth Proportional to 21,418.76, 29,526.46 and 15,025.97

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Solution

The fourth proportional to 21,418.76, 29,526.46 and 15,025.97 is: 20,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.76 : 29,526.46 = 15,025.97 : x
  2. Step 2: Convert to fraction form
    21,418.76/29,526.46 = 15,025.97/x
  3. Step 3: Cross multiply
    21,418.76x = 29,526.46 × 15,025.97
  4. Step 4: Simplify right side
    21,418.76x = 443,663,738.42
  5. Step 5: Solve for x
    x = 443,663,738.42/21,418.76
  6. Step 6: Final answer
    x = 20,713.79

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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.