Home / 28,982.61-43,452.63-9,249.78

Finding the Fourth Proportional to 28,982.61, 43,452.63 and 9,249.78

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Solution

The fourth proportional to 28,982.61, 43,452.63 and 9,249.78 is: 13,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.61 : 43,452.63 = 9,249.78 : x
  2. Step 2: Convert to fraction form
    28,982.61/43,452.63 = 9,249.78/x
  3. Step 3: Cross multiply
    28,982.61x = 43,452.63 × 9,249.78
  4. Step 4: Simplify right side
    28,982.61x = 401,927,267.92
  5. Step 5: Solve for x
    x = 401,927,267.92/28,982.61
  6. Step 6: Final answer
    x = 13,867.88

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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.