Home / 27,912.06-41,868.09-13,110.12

Finding the Fourth Proportional to 27,912.06, 41,868.09 and 13,110.12

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Solution

The fourth proportional to 27,912.06, 41,868.09 and 13,110.12 is: 19,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.06 : 41,868.09 = 13,110.12 : x
  2. Step 2: Convert to fraction form
    27,912.06/41,868.09 = 13,110.12/x
  3. Step 3: Cross multiply
    27,912.06x = 41,868.09 × 13,110.12
  4. Step 4: Simplify right side
    27,912.06x = 548,895,684.07
  5. Step 5: Solve for x
    x = 548,895,684.07/27,912.06
  6. Step 6: Final answer
    x = 19,665.18

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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.