Home / 22,177.41-30,552.85-15,450.87

Finding the Fourth Proportional to 22,177.41, 30,552.85 and 15,450.87

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Solution

The fourth proportional to 22,177.41, 30,552.85 and 15,450.87 is: 21,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.41 : 30,552.85 = 15,450.87 : x
  2. Step 2: Convert to fraction form
    22,177.41/30,552.85 = 15,450.87/x
  3. Step 3: Cross multiply
    22,177.41x = 30,552.85 × 15,450.87
  4. Step 4: Simplify right side
    22,177.41x = 472,068,036.23
  5. Step 5: Solve for x
    x = 472,068,036.23/22,177.41
  6. Step 6: Final answer
    x = 21,285.99

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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.