Home / 27,125.44-40,689.60-8,656

Finding the Fourth Proportional to 27,125.44, 40,689.60 and 8,656

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Solution

The fourth proportional to 27,125.44, 40,689.60 and 8,656 is: 12,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.44 : 40,689.60 = 8,656 : x
  2. Step 2: Convert to fraction form
    27,125.44/40,689.60 = 8,656/x
  3. Step 3: Cross multiply
    27,125.44x = 40,689.60 × 8,656
  4. Step 4: Simplify right side
    27,125.44x = 352,209,177.60
  5. Step 5: Solve for x
    x = 352,209,177.60/27,125.44
  6. Step 6: Final answer
    x = 12,984.46

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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.