Home / 25,954.28-38,906.79-8,411.78

Finding the Fourth Proportional to 25,954.28, 38,906.79 and 8,411.78

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Solution

The fourth proportional to 25,954.28, 38,906.79 and 8,411.78 is: 12,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.28 : 38,906.79 = 8,411.78 : x
  2. Step 2: Convert to fraction form
    25,954.28/38,906.79 = 8,411.78/x
  3. Step 3: Cross multiply
    25,954.28x = 38,906.79 × 8,411.78
  4. Step 4: Simplify right side
    25,954.28x = 327,275,357.99
  5. Step 5: Solve for x
    x = 327,275,357.99/25,954.28
  6. Step 6: Final answer
    x = 12,609.69

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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.