Home / 27,441.04-41,128.52-12,629.68

Finding the Fourth Proportional to 27,441.04, 41,128.52 and 12,629.68

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Solution

The fourth proportional to 27,441.04, 41,128.52 and 12,629.68 is: 18,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,441.04 : 41,128.52 = 12,629.68 : x
  2. Step 2: Convert to fraction form
    27,441.04/41,128.52 = 12,629.68/x
  3. Step 3: Cross multiply
    27,441.04x = 41,128.52 × 12,629.68
  4. Step 4: Simplify right side
    27,441.04x = 519,440,046.47
  5. Step 5: Solve for x
    x = 519,440,046.47/27,441.04
  6. Step 6: Final answer
    x = 18,929.31

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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.