Home / 26,845.74-40,238.22-13,670.28

Finding the Fourth Proportional to 26,845.74, 40,238.22 and 13,670.28

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Solution

The fourth proportional to 26,845.74, 40,238.22 and 13,670.28 is: 20,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.74 : 40,238.22 = 13,670.28 : x
  2. Step 2: Convert to fraction form
    26,845.74/40,238.22 = 13,670.28/x
  3. Step 3: Cross multiply
    26,845.74x = 40,238.22 × 13,670.28
  4. Step 4: Simplify right side
    26,845.74x = 550,067,532.91
  5. Step 5: Solve for x
    x = 550,067,532.91/26,845.74
  6. Step 6: Final answer
    x = 20,489.94

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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.