Home / 27,168.48-40,751.78-18,341.82

Finding the Fourth Proportional to 27,168.48, 40,751.78 and 18,341.82

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Solution

The fourth proportional to 27,168.48, 40,751.78 and 18,341.82 is: 27,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.48 : 40,751.78 = 18,341.82 : x
  2. Step 2: Convert to fraction form
    27,168.48/40,751.78 = 18,341.82/x
  3. Step 3: Cross multiply
    27,168.48x = 40,751.78 × 18,341.82
  4. Step 4: Simplify right side
    27,168.48x = 747,461,721.73
  5. Step 5: Solve for x
    x = 747,461,721.73/27,168.48
  6. Step 6: Final answer
    x = 27,512.09

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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.