Home / 41,440.20-57,182.40-28,040.64

Finding the Fourth Proportional to 41,440.20, 57,182.40 and 28,040.64

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Solution

The fourth proportional to 41,440.20, 57,182.40 and 28,040.64 is: 38,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,440.20 : 57,182.40 = 28,040.64 : x
  2. Step 2: Convert to fraction form
    41,440.20/57,182.40 = 28,040.64/x
  3. Step 3: Cross multiply
    41,440.20x = 57,182.40 × 28,040.64
  4. Step 4: Simplify right side
    41,440.20x = 1,603,431,092.74
  5. Step 5: Solve for x
    x = 1,603,431,092.74/41,440.20
  6. Step 6: Final answer
    x = 38,692.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.