Home / 25,489.27-38,230.95-6,770.78

Finding the Fourth Proportional to 25,489.27, 38,230.95 and 6,770.78

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Solution

The fourth proportional to 25,489.27, 38,230.95 and 6,770.78 is: 10,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.27 : 38,230.95 = 6,770.78 : x
  2. Step 2: Convert to fraction form
    25,489.27/38,230.95 = 6,770.78/x
  3. Step 3: Cross multiply
    25,489.27x = 38,230.95 × 6,770.78
  4. Step 4: Simplify right side
    25,489.27x = 258,853,160.49
  5. Step 5: Solve for x
    x = 258,853,160.49/25,489.27
  6. Step 6: Final answer
    x = 10,155.38

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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.