Home / 25,385.62-38,079.30-8,745.52

Finding the Fourth Proportional to 25,385.62, 38,079.30 and 8,745.52

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Solution

The fourth proportional to 25,385.62, 38,079.30 and 8,745.52 is: 13,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.62 : 38,079.30 = 8,745.52 : x
  2. Step 2: Convert to fraction form
    25,385.62/38,079.30 = 8,745.52/x
  3. Step 3: Cross multiply
    25,385.62x = 38,079.30 × 8,745.52
  4. Step 4: Simplify right side
    25,385.62x = 333,023,279.74
  5. Step 5: Solve for x
    x = 333,023,279.74/25,385.62
  6. Step 6: Final answer
    x = 13,118.58

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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.