Home / 28,868.46-43,310.85-11,107.27

Finding the Fourth Proportional to 28,868.46, 43,310.85 and 11,107.27

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Solution

The fourth proportional to 28,868.46, 43,310.85 and 11,107.27 is: 16,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.46 : 43,310.85 = 11,107.27 : x
  2. Step 2: Convert to fraction form
    28,868.46/43,310.85 = 11,107.27/x
  3. Step 3: Cross multiply
    28,868.46x = 43,310.85 × 11,107.27
  4. Step 4: Simplify right side
    28,868.46x = 481,065,304.88
  5. Step 5: Solve for x
    x = 481,065,304.88/28,868.46
  6. Step 6: Final answer
    x = 16,664.04

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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.