Home / 27,540.38-41,312.60-7,820.52

Finding the Fourth Proportional to 27,540.38, 41,312.60 and 7,820.52

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Solution

The fourth proportional to 27,540.38, 41,312.60 and 7,820.52 is: 11,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.38 : 41,312.60 = 7,820.52 : x
  2. Step 2: Convert to fraction form
    27,540.38/41,312.60 = 7,820.52/x
  3. Step 3: Cross multiply
    27,540.38x = 41,312.60 × 7,820.52
  4. Step 4: Simplify right side
    27,540.38x = 323,086,014.55
  5. Step 5: Solve for x
    x = 323,086,014.55/27,540.38
  6. Step 6: Final answer
    x = 11,731.36

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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.