Home / 28,661.75-39,553.22-16,086.50

Finding the Fourth Proportional to 28,661.75, 39,553.22 and 16,086.50

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Solution

The fourth proportional to 28,661.75, 39,553.22 and 16,086.50 is: 22,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.75 : 39,553.22 = 16,086.50 : x
  2. Step 2: Convert to fraction form
    28,661.75/39,553.22 = 16,086.50/x
  3. Step 3: Cross multiply
    28,661.75x = 39,553.22 × 16,086.50
  4. Step 4: Simplify right side
    28,661.75x = 636,272,793.10
  5. Step 5: Solve for x
    x = 636,272,793.10/28,661.75
  6. Step 6: Final answer
    x = 22,199.37

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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.