Home / 23,078.82-34,619.88-8,287.86

Finding the Fourth Proportional to 23,078.82, 34,619.88 and 8,287.86

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Solution

The fourth proportional to 23,078.82, 34,619.88 and 8,287.86 is: 12,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.82 : 34,619.88 = 8,287.86 : x
  2. Step 2: Convert to fraction form
    23,078.82/34,619.88 = 8,287.86/x
  3. Step 3: Cross multiply
    23,078.82x = 34,619.88 × 8,287.86
  4. Step 4: Simplify right side
    23,078.82x = 286,924,718.66
  5. Step 5: Solve for x
    x = 286,924,718.66/23,078.82
  6. Step 6: Final answer
    x = 12,432.38

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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.