Home / 28,949.24-39,947.15-16,201.76

Finding the Fourth Proportional to 28,949.24, 39,947.15 and 16,201.76

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Solution

The fourth proportional to 28,949.24, 39,947.15 and 16,201.76 is: 22,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.24 : 39,947.15 = 16,201.76 : x
  2. Step 2: Convert to fraction form
    28,949.24/39,947.15 = 16,201.76/x
  3. Step 3: Cross multiply
    28,949.24x = 39,947.15 × 16,201.76
  4. Step 4: Simplify right side
    28,949.24x = 647,213,856.24
  5. Step 5: Solve for x
    x = 647,213,856.24/28,949.24
  6. Step 6: Final answer
    x = 22,356.86

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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.