Home / 27,909.64-41,872.02-8,188.04

Finding the Fourth Proportional to 27,909.64, 41,872.02 and 8,188.04

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Solution

The fourth proportional to 27,909.64, 41,872.02 and 8,188.04 is: 12,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.64 : 41,872.02 = 8,188.04 : x
  2. Step 2: Convert to fraction form
    27,909.64/41,872.02 = 8,188.04/x
  3. Step 3: Cross multiply
    27,909.64x = 41,872.02 × 8,188.04
  4. Step 4: Simplify right side
    27,909.64x = 342,849,774.64
  5. Step 5: Solve for x
    x = 342,849,774.64/27,909.64
  6. Step 6: Final answer
    x = 12,284.28

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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.