Home / 28,982.10-43,451.88-9,249.28

Finding the Fourth Proportional to 28,982.10, 43,451.88 and 9,249.28

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Solution

The fourth proportional to 28,982.10, 43,451.88 and 9,249.28 is: 13,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.10 : 43,451.88 = 9,249.28 : x
  2. Step 2: Convert to fraction form
    28,982.10/43,451.88 = 9,249.28/x
  3. Step 3: Cross multiply
    28,982.10x = 43,451.88 × 9,249.28
  4. Step 4: Simplify right side
    28,982.10x = 401,898,604.65
  5. Step 5: Solve for x
    x = 401,898,604.65/28,982.10
  6. Step 6: Final answer
    x = 13,867.13

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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.