Home / 43,278.60-64,920.78-15,195.24

Finding the Fourth Proportional to 43,278.60, 64,920.78 and 15,195.24

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Solution

The fourth proportional to 43,278.60, 64,920.78 and 15,195.24 is: 22,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.60 : 64,920.78 = 15,195.24 : x
  2. Step 2: Convert to fraction form
    43,278.60/64,920.78 = 15,195.24/x
  3. Step 3: Cross multiply
    43,278.60x = 64,920.78 × 15,195.24
  4. Step 4: Simplify right side
    43,278.60x = 986,486,833.09
  5. Step 5: Solve for x
    x = 986,486,833.09/43,278.60
  6. Step 6: Final answer
    x = 22,793.87

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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.