Home / 27,812.86-41,721.12-11,170.74

Finding the Fourth Proportional to 27,812.86, 41,721.12 and 11,170.74

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Solution

The fourth proportional to 27,812.86, 41,721.12 and 11,170.74 is: 16,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.86 : 41,721.12 = 11,170.74 : x
  2. Step 2: Convert to fraction form
    27,812.86/41,721.12 = 11,170.74/x
  3. Step 3: Cross multiply
    27,812.86x = 41,721.12 × 11,170.74
  4. Step 4: Simplify right side
    27,812.86x = 466,055,784.03
  5. Step 5: Solve for x
    x = 466,055,784.03/27,812.86
  6. Step 6: Final answer
    x = 16,756.85

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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.