Home / 28,202.49-38,919.33-16,265.79

Finding the Fourth Proportional to 28,202.49, 38,919.33 and 16,265.79

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Solution

The fourth proportional to 28,202.49, 38,919.33 and 16,265.79 is: 22,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.49 : 38,919.33 = 16,265.79 : x
  2. Step 2: Convert to fraction form
    28,202.49/38,919.33 = 16,265.79/x
  3. Step 3: Cross multiply
    28,202.49x = 38,919.33 × 16,265.79
  4. Step 4: Simplify right side
    28,202.49x = 633,053,648.72
  5. Step 5: Solve for x
    x = 633,053,648.72/28,202.49
  6. Step 6: Final answer
    x = 22,446.73

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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.