Home / 20,262.96-27,965.82-14,616.42

Finding the Fourth Proportional to 20,262.96, 27,965.82 and 14,616.42

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Solution

The fourth proportional to 20,262.96, 27,965.82 and 14,616.42 is: 20,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.96 : 27,965.82 = 14,616.42 : x
  2. Step 2: Convert to fraction form
    20,262.96/27,965.82 = 14,616.42/x
  3. Step 3: Cross multiply
    20,262.96x = 27,965.82 × 14,616.42
  4. Step 4: Simplify right side
    20,262.96x = 408,760,170.76
  5. Step 5: Solve for x
    x = 408,760,170.76/20,262.96
  6. Step 6: Final answer
    x = 20,172.78

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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.