Home / 27,638.23-41,450.17-7,912.18

Finding the Fourth Proportional to 27,638.23, 41,450.17 and 7,912.18

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Solution

The fourth proportional to 27,638.23, 41,450.17 and 7,912.18 is: 11,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.23 : 41,450.17 = 7,912.18 : x
  2. Step 2: Convert to fraction form
    27,638.23/41,450.17 = 7,912.18/x
  3. Step 3: Cross multiply
    27,638.23x = 41,450.17 × 7,912.18
  4. Step 4: Simplify right side
    27,638.23x = 327,961,134.48
  5. Step 5: Solve for x
    x = 327,961,134.48/27,638.23
  6. Step 6: Final answer
    x = 11,866.21

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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.