Home / 28,755.92-39,682.19-16,178.24

Finding the Fourth Proportional to 28,755.92, 39,682.19 and 16,178.24

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Solution

The fourth proportional to 28,755.92, 39,682.19 and 16,178.24 is: 22,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.92 : 39,682.19 = 16,178.24 : x
  2. Step 2: Convert to fraction form
    28,755.92/39,682.19 = 16,178.24/x
  3. Step 3: Cross multiply
    28,755.92x = 39,682.19 × 16,178.24
  4. Step 4: Simplify right side
    28,755.92x = 641,987,993.55
  5. Step 5: Solve for x
    x = 641,987,993.55/28,755.92
  6. Step 6: Final answer
    x = 22,325.42

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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.