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Finding the Fourth Proportional to 27,611.67, 41,409.23 and 9,839.15

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Solution

The fourth proportional to 27,611.67, 41,409.23 and 9,839.15 is: 14,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.67 : 41,409.23 = 9,839.15 : x
  2. Step 2: Convert to fraction form
    27,611.67/41,409.23 = 9,839.15/x
  3. Step 3: Cross multiply
    27,611.67x = 41,409.23 × 9,839.15
  4. Step 4: Simplify right side
    27,611.67x = 407,431,369.11
  5. Step 5: Solve for x
    x = 407,431,369.11/27,611.67
  6. Step 6: Final answer
    x = 14,755.77

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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.