Home / 27,429.89-41,143.46-9,661.43

Finding the Fourth Proportional to 27,429.89, 41,143.46 and 9,661.43

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Solution

The fourth proportional to 27,429.89, 41,143.46 and 9,661.43 is: 14,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.89 : 41,143.46 = 9,661.43 : x
  2. Step 2: Convert to fraction form
    27,429.89/41,143.46 = 9,661.43/x
  3. Step 3: Cross multiply
    27,429.89x = 41,143.46 × 9,661.43
  4. Step 4: Simplify right side
    27,429.89x = 397,504,404.72
  5. Step 5: Solve for x
    x = 397,504,404.72/27,429.89
  6. Step 6: Final answer
    x = 14,491.65

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1.5x scale

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.