Home / 25,847.97-38,768.19-8,315.52

Finding the Fourth Proportional to 25,847.97, 38,768.19 and 8,315.52

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Solution

The fourth proportional to 25,847.97, 38,768.19 and 8,315.52 is: 12,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.97 : 38,768.19 = 8,315.52 : x
  2. Step 2: Convert to fraction form
    25,847.97/38,768.19 = 8,315.52/x
  3. Step 3: Cross multiply
    25,847.97x = 38,768.19 × 8,315.52
  4. Step 4: Simplify right side
    25,847.97x = 322,377,659.31
  5. Step 5: Solve for x
    x = 322,377,659.31/25,847.97
  6. Step 6: Final answer
    x = 12,472.07

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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.