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Finding the Fourth Proportional to 27,613.68, 41,420.04 and 6,837.12

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Solution

The fourth proportional to 27,613.68, 41,420.04 and 6,837.12 is: 10,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.68 : 41,420.04 = 6,837.12 : x
  2. Step 2: Convert to fraction form
    27,613.68/41,420.04 = 6,837.12/x
  3. Step 3: Cross multiply
    27,613.68x = 41,420.04 × 6,837.12
  4. Step 4: Simplify right side
    27,613.68x = 283,193,783.88
  5. Step 5: Solve for x
    x = 283,193,783.88/27,613.68
  6. Step 6: Final answer
    x = 10,255.56

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1.5x scale

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.