Home / 27,003.52-40,491.24-12,205.36

Finding the Fourth Proportional to 27,003.52, 40,491.24 and 12,205.36

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Solution

The fourth proportional to 27,003.52, 40,491.24 and 12,205.36 is: 18,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.52 : 40,491.24 = 12,205.36 : x
  2. Step 2: Convert to fraction form
    27,003.52/40,491.24 = 12,205.36/x
  3. Step 3: Cross multiply
    27,003.52x = 40,491.24 × 12,205.36
  4. Step 4: Simplify right side
    27,003.52x = 494,210,161.05
  5. Step 5: Solve for x
    x = 494,210,161.05/27,003.52
  6. Step 6: Final answer
    x = 18,301.69

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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.