Home / 28,661.25-39,556.17-16,086

Finding the Fourth Proportional to 28,661.25, 39,556.17 and 16,086

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Solution

The fourth proportional to 28,661.25, 39,556.17 and 16,086 is: 22,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.25 : 39,556.17 = 16,086 : x
  2. Step 2: Convert to fraction form
    28,661.25/39,556.17 = 16,086/x
  3. Step 3: Cross multiply
    28,661.25x = 39,556.17 × 16,086
  4. Step 4: Simplify right side
    28,661.25x = 636,300,550.62
  5. Step 5: Solve for x
    x = 636,300,550.62/28,661.25
  6. Step 6: Final answer
    x = 22,200.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.