Home / 27,081.52-40,608.24-12,283.36

Finding the Fourth Proportional to 27,081.52, 40,608.24 and 12,283.36

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Solution

The fourth proportional to 27,081.52, 40,608.24 and 12,283.36 is: 18,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.52 : 40,608.24 = 12,283.36 : x
  2. Step 2: Convert to fraction form
    27,081.52/40,608.24 = 12,283.36/x
  3. Step 3: Cross multiply
    27,081.52x = 40,608.24 × 12,283.36
  4. Step 4: Simplify right side
    27,081.52x = 498,805,630.89
  5. Step 5: Solve for x
    x = 498,805,630.89/27,081.52
  6. Step 6: Final answer
    x = 18,418.67

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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.