Home / 28,202.46-38,909.09-16,872.28

Finding the Fourth Proportional to 28,202.46, 38,909.09 and 16,872.28

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Solution

The fourth proportional to 28,202.46, 38,909.09 and 16,872.28 is: 23,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.46 : 38,909.09 = 16,872.28 : x
  2. Step 2: Convert to fraction form
    28,202.46/38,909.09 = 16,872.28/x
  3. Step 3: Cross multiply
    28,202.46x = 38,909.09 × 16,872.28
  4. Step 4: Simplify right side
    28,202.46x = 656,485,005.93
  5. Step 5: Solve for x
    x = 656,485,005.93/28,202.46
  6. Step 6: Final answer
    x = 23,277.58

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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.