Home / 28,202.27-38,908.83-16,872.09

Finding the Fourth Proportional to 28,202.27, 38,908.83 and 16,872.09

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Solution

The fourth proportional to 28,202.27, 38,908.83 and 16,872.09 is: 23,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.27 : 38,908.83 = 16,872.09 : x
  2. Step 2: Convert to fraction form
    28,202.27/38,908.83 = 16,872.09/x
  3. Step 3: Cross multiply
    28,202.27x = 38,908.83 × 16,872.09
  4. Step 4: Simplify right side
    28,202.27x = 656,473,344.83
  5. Step 5: Solve for x
    x = 656,473,344.83/28,202.27
  6. Step 6: Final answer
    x = 23,277.32

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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.