Home / 25,385.67-38,086.65-8,745.30

Finding the Fourth Proportional to 25,385.67, 38,086.65 and 8,745.30

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Solution

The fourth proportional to 25,385.67, 38,086.65 and 8,745.30 is: 13,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.67 : 38,086.65 = 8,745.30 : x
  2. Step 2: Convert to fraction form
    25,385.67/38,086.65 = 8,745.30/x
  3. Step 3: Cross multiply
    25,385.67x = 38,086.65 × 8,745.30
  4. Step 4: Simplify right side
    25,385.67x = 333,079,180.25
  5. Step 5: Solve for x
    x = 333,079,180.25/25,385.67
  6. Step 6: Final answer
    x = 13,120.76

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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.