Home / 28,757.88-39,684.36-16,183.44

Finding the Fourth Proportional to 28,757.88, 39,684.36 and 16,183.44

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Solution

The fourth proportional to 28,757.88, 39,684.36 and 16,183.44 is: 22,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.88 : 39,684.36 = 16,183.44 : x
  2. Step 2: Convert to fraction form
    28,757.88/39,684.36 = 16,183.44/x
  3. Step 3: Cross multiply
    28,757.88x = 39,684.36 × 16,183.44
  4. Step 4: Simplify right side
    28,757.88x = 642,229,459.00
  5. Step 5: Solve for x
    x = 642,229,459.00/28,757.88
  6. Step 6: Final answer
    x = 22,332.29

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1.5x scale

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.