Home / 29,002.05-43,490.79-10,286.80

Finding the Fourth Proportional to 29,002.05, 43,490.79 and 10,286.80

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Solution

The fourth proportional to 29,002.05, 43,490.79 and 10,286.80 is: 15,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.05 : 43,490.79 = 10,286.80 : x
  2. Step 2: Convert to fraction form
    29,002.05/43,490.79 = 10,286.80/x
  3. Step 3: Cross multiply
    29,002.05x = 43,490.79 × 10,286.80
  4. Step 4: Simplify right side
    29,002.05x = 447,380,949.85
  5. Step 5: Solve for x
    x = 447,380,949.85/29,002.05
  6. Step 6: Final answer
    x = 15,425.84

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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.