Home / 28,194.12-42,282.96-9,472.02

Finding the Fourth Proportional to 28,194.12, 42,282.96 and 9,472.02

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Solution

The fourth proportional to 28,194.12, 42,282.96 and 9,472.02 is: 14,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.12 : 42,282.96 = 9,472.02 : x
  2. Step 2: Convert to fraction form
    28,194.12/42,282.96 = 9,472.02/x
  3. Step 3: Cross multiply
    28,194.12x = 42,282.96 × 9,472.02
  4. Step 4: Simplify right side
    28,194.12x = 400,505,042.78
  5. Step 5: Solve for x
    x = 400,505,042.78/28,194.12
  6. Step 6: Final answer
    x = 14,205.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.