Home / 29,209.20-43,878.60-28,028.40

Finding the Fourth Proportional to 29,209.20, 43,878.60 and 28,028.40

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Solution

The fourth proportional to 29,209.20, 43,878.60 and 28,028.40 is: 42,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,209.20 : 43,878.60 = 28,028.40 : x
  2. Step 2: Convert to fraction form
    29,209.20/43,878.60 = 28,028.40/x
  3. Step 3: Cross multiply
    29,209.20x = 43,878.60 × 28,028.40
  4. Step 4: Simplify right side
    29,209.20x = 1,229,846,952.24
  5. Step 5: Solve for x
    x = 1,229,846,952.24/29,209.20
  6. Step 6: Final answer
    x = 42,104.78

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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.