Home / 25,566.96-38,294.97-12,391.71

Finding the Fourth Proportional to 25,566.96, 38,294.97 and 12,391.71

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Solution

The fourth proportional to 25,566.96, 38,294.97 and 12,391.71 is: 18,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566.96 : 38,294.97 = 12,391.71 : x
  2. Step 2: Convert to fraction form
    25,566.96/38,294.97 = 12,391.71/x
  3. Step 3: Cross multiply
    25,566.96x = 38,294.97 × 12,391.71
  4. Step 4: Simplify right side
    25,566.96x = 474,540,162.70
  5. Step 5: Solve for x
    x = 474,540,162.70/25,566.96
  6. Step 6: Final answer
    x = 18,560.68

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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.