Home / 22,327.92-30,819.12-12,902.76

Finding the Fourth Proportional to 22,327.92, 30,819.12 and 12,902.76

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Solution

The fourth proportional to 22,327.92, 30,819.12 and 12,902.76 is: 17,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.92 : 30,819.12 = 12,902.76 : x
  2. Step 2: Convert to fraction form
    22,327.92/30,819.12 = 12,902.76/x
  3. Step 3: Cross multiply
    22,327.92x = 30,819.12 × 12,902.76
  4. Step 4: Simplify right side
    22,327.92x = 397,651,708.77
  5. Step 5: Solve for x
    x = 397,651,708.77/22,327.92
  6. Step 6: Final answer
    x = 17,809.62

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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.