Home / 28,735.80-43,087.44-11,185.44

Finding the Fourth Proportional to 28,735.80, 43,087.44 and 11,185.44

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Solution

The fourth proportional to 28,735.80, 43,087.44 and 11,185.44 is: 16,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.80 : 43,087.44 = 11,185.44 : x
  2. Step 2: Convert to fraction form
    28,735.80/43,087.44 = 11,185.44/x
  3. Step 3: Cross multiply
    28,735.80x = 43,087.44 × 11,185.44
  4. Step 4: Simplify right side
    28,735.80x = 481,951,974.87
  5. Step 5: Solve for x
    x = 481,951,974.87/28,735.80
  6. Step 6: Final answer
    x = 16,771.83

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1.5x scale

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.