Home / 27,201.75-40,790.31-9,672.04

Finding the Fourth Proportional to 27,201.75, 40,790.31 and 9,672.04

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Solution

The fourth proportional to 27,201.75, 40,790.31 and 9,672.04 is: 14,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.75 : 40,790.31 = 9,672.04 : x
  2. Step 2: Convert to fraction form
    27,201.75/40,790.31 = 9,672.04/x
  3. Step 3: Cross multiply
    27,201.75x = 40,790.31 × 9,672.04
  4. Step 4: Simplify right side
    27,201.75x = 394,525,509.93
  5. Step 5: Solve for x
    x = 394,525,509.93/27,201.75
  6. Step 6: Final answer
    x = 14,503.68

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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.