Home / 28,204.44-38,895.16-16,872.05

Finding the Fourth Proportional to 28,204.44, 38,895.16 and 16,872.05

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Solution

The fourth proportional to 28,204.44, 38,895.16 and 16,872.05 is: 23,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.44 : 38,895.16 = 16,872.05 : x
  2. Step 2: Convert to fraction form
    28,204.44/38,895.16 = 16,872.05/x
  3. Step 3: Cross multiply
    28,204.44x = 38,895.16 × 16,872.05
  4. Step 4: Simplify right side
    28,204.44x = 656,241,084.28
  5. Step 5: Solve for x
    x = 656,241,084.28/28,204.44
  6. Step 6: Final answer
    x = 23,267.30

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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.