Home / 27,408.60-41,128.56-14,928.12

Finding the Fourth Proportional to 27,408.60, 41,128.56 and 14,928.12

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Solution

The fourth proportional to 27,408.60, 41,128.56 and 14,928.12 is: 22,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.60 : 41,128.56 = 14,928.12 : x
  2. Step 2: Convert to fraction form
    27,408.60/41,128.56 = 14,928.12/x
  3. Step 3: Cross multiply
    27,408.60x = 41,128.56 × 14,928.12
  4. Step 4: Simplify right side
    27,408.60x = 613,972,079.11
  5. Step 5: Solve for x
    x = 613,972,079.11/27,408.60
  6. Step 6: Final answer
    x = 22,400.71

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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.