Home / 28,983.12-43,346.90-25,230.80

Finding the Fourth Proportional to 28,983.12, 43,346.90 and 25,230.80

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Solution

The fourth proportional to 28,983.12, 43,346.90 and 25,230.80 is: 37,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.12 : 43,346.90 = 25,230.80 : x
  2. Step 2: Convert to fraction form
    28,983.12/43,346.90 = 25,230.80/x
  3. Step 3: Cross multiply
    28,983.12x = 43,346.90 × 25,230.80
  4. Step 4: Simplify right side
    28,983.12x = 1,093,676,964.52
  5. Step 5: Solve for x
    x = 1,093,676,964.52/28,983.12
  6. Step 6: Final answer
    x = 37,734.96

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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.