Home / 25,757.60-38,641.24-8,222.72

Finding the Fourth Proportional to 25,757.60, 38,641.24 and 8,222.72

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Solution

The fourth proportional to 25,757.60, 38,641.24 and 8,222.72 is: 12,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.60 : 38,641.24 = 8,222.72 : x
  2. Step 2: Convert to fraction form
    25,757.60/38,641.24 = 8,222.72/x
  3. Step 3: Cross multiply
    25,757.60x = 38,641.24 × 8,222.72
  4. Step 4: Simplify right side
    25,757.60x = 317,736,096.97
  5. Step 5: Solve for x
    x = 317,736,096.97/25,757.60
  6. Step 6: Final answer
    x = 12,335.63

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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.