Home / 20,196.43-27,778.35-16,208.80

Finding the Fourth Proportional to 20,196.43, 27,778.35 and 16,208.80

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Solution

The fourth proportional to 20,196.43, 27,778.35 and 16,208.80 is: 22,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.43 : 27,778.35 = 16,208.80 : x
  2. Step 2: Convert to fraction form
    20,196.43/27,778.35 = 16,208.80/x
  3. Step 3: Cross multiply
    20,196.43x = 27,778.35 × 16,208.80
  4. Step 4: Simplify right side
    20,196.43x = 450,253,719.48
  5. Step 5: Solve for x
    x = 450,253,719.48/20,196.43
  6. Step 6: Final answer
    x = 22,293.73

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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.