Home / 28,843.92-39,811.86-16,275.96

Finding the Fourth Proportional to 28,843.92, 39,811.86 and 16,275.96

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Solution

The fourth proportional to 28,843.92, 39,811.86 and 16,275.96 is: 22,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.92 : 39,811.86 = 16,275.96 : x
  2. Step 2: Convert to fraction form
    28,843.92/39,811.86 = 16,275.96/x
  3. Step 3: Cross multiply
    28,843.92x = 39,811.86 × 16,275.96
  4. Step 4: Simplify right side
    28,843.92x = 647,976,240.89
  5. Step 5: Solve for x
    x = 647,976,240.89/28,843.92
  6. Step 6: Final answer
    x = 22,464.92

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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.