Home / 25,589.25-38,378.58-6,864.85

Finding the Fourth Proportional to 25,589.25, 38,378.58 and 6,864.85

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Solution

The fourth proportional to 25,589.25, 38,378.58 and 6,864.85 is: 10,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.25 : 38,378.58 = 6,864.85 : x
  2. Step 2: Convert to fraction form
    25,589.25/38,378.58 = 6,864.85/x
  3. Step 3: Cross multiply
    25,589.25x = 38,378.58 × 6,864.85
  4. Step 4: Simplify right side
    25,589.25x = 263,463,098.97
  5. Step 5: Solve for x
    x = 263,463,098.97/25,589.25
  6. Step 6: Final answer
    x = 10,295.85

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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.