Home / 26,972.88-40,456.08-11,388.48

Finding the Fourth Proportional to 26,972.88, 40,456.08 and 11,388.48

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Solution

The fourth proportional to 26,972.88, 40,456.08 and 11,388.48 is: 17,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.88 : 40,456.08 = 11,388.48 : x
  2. Step 2: Convert to fraction form
    26,972.88/40,456.08 = 11,388.48/x
  3. Step 3: Cross multiply
    26,972.88x = 40,456.08 × 11,388.48
  4. Step 4: Simplify right side
    26,972.88x = 460,733,257.96
  5. Step 5: Solve for x
    x = 460,733,257.96/26,972.88
  6. Step 6: Final answer
    x = 17,081.35

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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.