Home / 27,961.76-41,968.56-14,120.48

Finding the Fourth Proportional to 27,961.76, 41,968.56 and 14,120.48

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Solution

The fourth proportional to 27,961.76, 41,968.56 and 14,120.48 is: 21,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.76 : 41,968.56 = 14,120.48 : x
  2. Step 2: Convert to fraction form
    27,961.76/41,968.56 = 14,120.48/x
  3. Step 3: Cross multiply
    27,961.76x = 41,968.56 × 14,120.48
  4. Step 4: Simplify right side
    27,961.76x = 592,616,212.11
  5. Step 5: Solve for x
    x = 592,616,212.11/27,961.76
  6. Step 6: Final answer
    x = 21,193.81

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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.