Home / 27,865.74-41,812.94-18,512.22

Finding the Fourth Proportional to 27,865.74, 41,812.94 and 18,512.22

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Solution

The fourth proportional to 27,865.74, 41,812.94 and 18,512.22 is: 27,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.74 : 41,812.94 = 18,512.22 : x
  2. Step 2: Convert to fraction form
    27,865.74/41,812.94 = 18,512.22/x
  3. Step 3: Cross multiply
    27,865.74x = 41,812.94 × 18,512.22
  4. Step 4: Simplify right side
    27,865.74x = 774,050,344.13
  5. Step 5: Solve for x
    x = 774,050,344.13/27,865.74
  6. Step 6: Final answer
    x = 27,777.85

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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.