Home / 33,281.20-45,857.10-25,728.76

Finding the Fourth Proportional to 33,281.20, 45,857.10 and 25,728.76

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Solution

The fourth proportional to 33,281.20, 45,857.10 and 25,728.76 is: 35,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.20 : 45,857.10 = 25,728.76 : x
  2. Step 2: Convert to fraction form
    33,281.20/45,857.10 = 25,728.76/x
  3. Step 3: Cross multiply
    33,281.20x = 45,857.10 × 25,728.76
  4. Step 4: Simplify right side
    33,281.20x = 1,179,846,320.20
  5. Step 5: Solve for x
    x = 1,179,846,320.20/33,281.20
  6. Step 6: Final answer
    x = 35,450.83

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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.