Home / 27,732.75-41,582.49-12,721.05

Finding the Fourth Proportional to 27,732.75, 41,582.49 and 12,721.05

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Solution

The fourth proportional to 27,732.75, 41,582.49 and 12,721.05 is: 19,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.75 : 41,582.49 = 12,721.05 : x
  2. Step 2: Convert to fraction form
    27,732.75/41,582.49 = 12,721.05/x
  3. Step 3: Cross multiply
    27,732.75x = 41,582.49 × 12,721.05
  4. Step 4: Simplify right side
    27,732.75x = 528,972,934.41
  5. Step 5: Solve for x
    x = 528,972,934.41/27,732.75
  6. Step 6: Final answer
    x = 19,073.94

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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.