Home / 27,174.16-40,725.78-10,517.68

Finding the Fourth Proportional to 27,174.16, 40,725.78 and 10,517.68

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Solution

The fourth proportional to 27,174.16, 40,725.78 and 10,517.68 is: 15,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.16 : 40,725.78 = 10,517.68 : x
  2. Step 2: Convert to fraction form
    27,174.16/40,725.78 = 10,517.68/x
  3. Step 3: Cross multiply
    27,174.16x = 40,725.78 × 10,517.68
  4. Step 4: Simplify right side
    27,174.16x = 428,340,721.79
  5. Step 5: Solve for x
    x = 428,340,721.79/27,174.16
  6. Step 6: Final answer
    x = 15,762.80

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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.