Home / 27,355.73-40,992.54-21,106.37

Finding the Fourth Proportional to 27,355.73, 40,992.54 and 21,106.37

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Solution

The fourth proportional to 27,355.73, 40,992.54 and 21,106.37 is: 31,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.73 : 40,992.54 = 21,106.37 : x
  2. Step 2: Convert to fraction form
    27,355.73/40,992.54 = 21,106.37/x
  3. Step 3: Cross multiply
    27,355.73x = 40,992.54 × 21,106.37
  4. Step 4: Simplify right side
    27,355.73x = 865,203,716.48
  5. Step 5: Solve for x
    x = 865,203,716.48/27,355.73
  6. Step 6: Final answer
    x = 31,627.88

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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.