Home / 20,207.52-27,793.85-16,219.89

Finding the Fourth Proportional to 20,207.52, 27,793.85 and 16,219.89

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Solution

The fourth proportional to 20,207.52, 27,793.85 and 16,219.89 is: 22,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.52 : 27,793.85 = 16,219.89 : x
  2. Step 2: Convert to fraction form
    20,207.52/27,793.85 = 16,219.89/x
  3. Step 3: Cross multiply
    20,207.52x = 27,793.85 × 16,219.89
  4. Step 4: Simplify right side
    20,207.52x = 450,813,108.58
  5. Step 5: Solve for x
    x = 450,813,108.58/20,207.52
  6. Step 6: Final answer
    x = 22,309.18

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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.