Home / 22,728.78-34,040.22-21,940.56

Finding the Fourth Proportional to 22,728.78, 34,040.22 and 21,940.56

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Solution

The fourth proportional to 22,728.78, 34,040.22 and 21,940.56 is: 32,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.78 : 34,040.22 = 21,940.56 : x
  2. Step 2: Convert to fraction form
    22,728.78/34,040.22 = 21,940.56/x
  3. Step 3: Cross multiply
    22,728.78x = 34,040.22 × 21,940.56
  4. Step 4: Simplify right side
    22,728.78x = 746,861,489.32
  5. Step 5: Solve for x
    x = 746,861,489.32/22,728.78
  6. Step 6: Final answer
    x = 32,859.73

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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.