Home / 27,840.11-41,767.26-9,121.42

Finding the Fourth Proportional to 27,840.11, 41,767.26 and 9,121.42

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Solution

The fourth proportional to 27,840.11, 41,767.26 and 9,121.42 is: 13,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.11 : 41,767.26 = 9,121.42 : x
  2. Step 2: Convert to fraction form
    27,840.11/41,767.26 = 9,121.42/x
  3. Step 3: Cross multiply
    27,840.11x = 41,767.26 × 9,121.42
  4. Step 4: Simplify right side
    27,840.11x = 380,976,466.27
  5. Step 5: Solve for x
    x = 380,976,466.27/27,840.11
  6. Step 6: Final answer
    x = 13,684.45

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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.