Home / 75,843.16-113,778.24-25,928.80

Finding the Fourth Proportional to 75,843.16, 113,778.24 and 25,928.80

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Solution

The fourth proportional to 75,843.16, 113,778.24 and 25,928.80 is: 38,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,843.16 : 113,778.24 = 25,928.80 : x
  2. Step 2: Convert to fraction form
    75,843.16/113,778.24 = 25,928.80/x
  3. Step 3: Cross multiply
    75,843.16x = 113,778.24 × 25,928.80
  4. Step 4: Simplify right side
    75,843.16x = 2,950,133,229.31
  5. Step 5: Solve for x
    x = 2,950,133,229.31/75,843.16
  6. Step 6: Final answer
    x = 38,897.82

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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.