Home / 27,343.76-40,969.56-18,081.68

Finding the Fourth Proportional to 27,343.76, 40,969.56 and 18,081.68

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Solution

The fourth proportional to 27,343.76, 40,969.56 and 18,081.68 is: 27,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.76 : 40,969.56 = 18,081.68 : x
  2. Step 2: Convert to fraction form
    27,343.76/40,969.56 = 18,081.68/x
  3. Step 3: Cross multiply
    27,343.76x = 40,969.56 × 18,081.68
  4. Step 4: Simplify right side
    27,343.76x = 740,798,473.66
  5. Step 5: Solve for x
    x = 740,798,473.66/27,343.76
  6. Step 6: Final answer
    x = 27,092.05

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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.