Home / 28,896.20-43,346.58-11,135.48

Finding the Fourth Proportional to 28,896.20, 43,346.58 and 11,135.48

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Solution

The fourth proportional to 28,896.20, 43,346.58 and 11,135.48 is: 16,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.20 : 43,346.58 = 11,135.48 : x
  2. Step 2: Convert to fraction form
    28,896.20/43,346.58 = 11,135.48/x
  3. Step 3: Cross multiply
    28,896.20x = 43,346.58 × 11,135.48
  4. Step 4: Simplify right side
    28,896.20x = 482,684,974.66
  5. Step 5: Solve for x
    x = 482,684,974.66/28,896.20
  6. Step 6: Final answer
    x = 16,704.10

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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.