Home / 22,660.80-34,056.72-21,085.92

Finding the Fourth Proportional to 22,660.80, 34,056.72 and 21,085.92

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Solution

The fourth proportional to 22,660.80, 34,056.72 and 21,085.92 is: 31,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.80 : 34,056.72 = 21,085.92 : x
  2. Step 2: Convert to fraction form
    22,660.80/34,056.72 = 21,085.92/x
  3. Step 3: Cross multiply
    22,660.80x = 34,056.72 × 21,085.92
  4. Step 4: Simplify right side
    22,660.80x = 718,117,273.38
  5. Step 5: Solve for x
    x = 718,117,273.38/22,660.80
  6. Step 6: Final answer
    x = 31,689.85

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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.