Home / 27,428.25-41,142.38-6,651.75

Finding the Fourth Proportional to 27,428.25, 41,142.38 and 6,651.75

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Solution

The fourth proportional to 27,428.25, 41,142.38 and 6,651.75 is: 9,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.25 : 41,142.38 = 6,651.75 : x
  2. Step 2: Convert to fraction form
    27,428.25/41,142.38 = 6,651.75/x
  3. Step 3: Cross multiply
    27,428.25x = 41,142.38 × 6,651.75
  4. Step 4: Simplify right side
    27,428.25x = 273,668,792.91
  5. Step 5: Solve for x
    x = 273,668,792.91/27,428.25
  6. Step 6: Final answer
    x = 9,977.63

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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.