Home / 28,863.84-39,833.22-16,288.56

Finding the Fourth Proportional to 28,863.84, 39,833.22 and 16,288.56

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Solution

The fourth proportional to 28,863.84, 39,833.22 and 16,288.56 is: 22,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.84 : 39,833.22 = 16,288.56 : x
  2. Step 2: Convert to fraction form
    28,863.84/39,833.22 = 16,288.56/x
  3. Step 3: Cross multiply
    28,863.84x = 39,833.22 × 16,288.56
  4. Step 4: Simplify right side
    28,863.84x = 648,825,793.96
  5. Step 5: Solve for x
    x = 648,825,793.96/28,863.84
  6. Step 6: Final answer
    x = 22,478.85

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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.