Home / 27,882.92-38,478.58-15,946.76

Finding the Fourth Proportional to 27,882.92, 38,478.58 and 15,946.76

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Solution

The fourth proportional to 27,882.92, 38,478.58 and 15,946.76 is: 22,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.92 : 38,478.58 = 15,946.76 : x
  2. Step 2: Convert to fraction form
    27,882.92/38,478.58 = 15,946.76/x
  3. Step 3: Cross multiply
    27,882.92x = 38,478.58 × 15,946.76
  4. Step 4: Simplify right side
    27,882.92x = 613,608,680.40
  5. Step 5: Solve for x
    x = 613,608,680.40/27,882.92
  6. Step 6: Final answer
    x = 22,006.61

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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.