Home / 38,274.92-52,819.15-21,278.89

Finding the Fourth Proportional to 38,274.92, 52,819.15 and 21,278.89

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Solution

The fourth proportional to 38,274.92, 52,819.15 and 21,278.89 is: 29,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.92 : 52,819.15 = 21,278.89 : x
  2. Step 2: Convert to fraction form
    38,274.92/52,819.15 = 21,278.89/x
  3. Step 3: Cross multiply
    38,274.92x = 52,819.15 × 21,278.89
  4. Step 4: Simplify right side
    38,274.92x = 1,123,932,882.74
  5. Step 5: Solve for x
    x = 1,123,932,882.74/38,274.92
  6. Step 6: Final answer
    x = 29,364.73

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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.