Home / 28,363.70-39,092.46-20,793.96

Finding the Fourth Proportional to 28,363.70, 39,092.46 and 20,793.96

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Solution

The fourth proportional to 28,363.70, 39,092.46 and 20,793.96 is: 28,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.70 : 39,092.46 = 20,793.96 : x
  2. Step 2: Convert to fraction form
    28,363.70/39,092.46 = 20,793.96/x
  3. Step 3: Cross multiply
    28,363.70x = 39,092.46 × 20,793.96
  4. Step 4: Simplify right side
    28,363.70x = 812,887,049.54
  5. Step 5: Solve for x
    x = 812,887,049.54/28,363.70
  6. Step 6: Final answer
    x = 28,659.42

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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.