Home / 27,104.78-40,677.15-12,873.32

Finding the Fourth Proportional to 27,104.78, 40,677.15 and 12,873.32

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Solution

The fourth proportional to 27,104.78, 40,677.15 and 12,873.32 is: 19,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.78 : 40,677.15 = 12,873.32 : x
  2. Step 2: Convert to fraction form
    27,104.78/40,677.15 = 12,873.32/x
  3. Step 3: Cross multiply
    27,104.78x = 40,677.15 × 12,873.32
  4. Step 4: Simplify right side
    27,104.78x = 523,649,765.25
  5. Step 5: Solve for x
    x = 523,649,765.25/27,104.78
  6. Step 6: Final answer
    x = 19,319.47

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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.