Home / 26,743.84-40,127.64-11,961.88

Finding the Fourth Proportional to 26,743.84, 40,127.64 and 11,961.88

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Solution

The fourth proportional to 26,743.84, 40,127.64 and 11,961.88 is: 17,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.84 : 40,127.64 = 11,961.88 : x
  2. Step 2: Convert to fraction form
    26,743.84/40,127.64 = 11,961.88/x
  3. Step 3: Cross multiply
    26,743.84x = 40,127.64 × 11,961.88
  4. Step 4: Simplify right side
    26,743.84x = 480,002,014.36
  5. Step 5: Solve for x
    x = 480,002,014.36/26,743.84
  6. Step 6: Final answer
    x = 17,948.13

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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.