Home / 25,286.28-37,924.72-8,419.56

Finding the Fourth Proportional to 25,286.28, 37,924.72 and 8,419.56

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Solution

The fourth proportional to 25,286.28, 37,924.72 and 8,419.56 is: 12,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.28 : 37,924.72 = 8,419.56 : x
  2. Step 2: Convert to fraction form
    25,286.28/37,924.72 = 8,419.56/x
  3. Step 3: Cross multiply
    25,286.28x = 37,924.72 × 8,419.56
  4. Step 4: Simplify right side
    25,286.28x = 319,309,455.52
  5. Step 5: Solve for x
    x = 319,309,455.52/25,286.28
  6. Step 6: Final answer
    x = 12,627.78

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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.