Home / 28,131.11-38,829.30-16,202.83

Finding the Fourth Proportional to 28,131.11, 38,829.30 and 16,202.83

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Solution

The fourth proportional to 28,131.11, 38,829.30 and 16,202.83 is: 22,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.11 : 38,829.30 = 16,202.83 : x
  2. Step 2: Convert to fraction form
    28,131.11/38,829.30 = 16,202.83/x
  3. Step 3: Cross multiply
    28,131.11x = 38,829.30 × 16,202.83
  4. Step 4: Simplify right side
    28,131.11x = 629,144,546.92
  5. Step 5: Solve for x
    x = 629,144,546.92/28,131.11
  6. Step 6: Final answer
    x = 22,364.73

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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.