Home / 26,791.56-40,194-18,909.45

Finding the Fourth Proportional to 26,791.56, 40,194 and 18,909.45

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Solution

The fourth proportional to 26,791.56, 40,194 and 18,909.45 is: 28,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.56 : 40,194 = 18,909.45 : x
  2. Step 2: Convert to fraction form
    26,791.56/40,194 = 18,909.45/x
  3. Step 3: Cross multiply
    26,791.56x = 40,194 × 18,909.45
  4. Step 4: Simplify right side
    26,791.56x = 760,046,433.30
  5. Step 5: Solve for x
    x = 760,046,433.30/26,791.56
  6. Step 6: Final answer
    x = 28,368.88

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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.