Home / 27,912.20-41,865.86-9,192.08

Finding the Fourth Proportional to 27,912.20, 41,865.86 and 9,192.08

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Solution

The fourth proportional to 27,912.20, 41,865.86 and 9,192.08 is: 13,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.20 : 41,865.86 = 9,192.08 : x
  2. Step 2: Convert to fraction form
    27,912.20/41,865.86 = 9,192.08/x
  3. Step 3: Cross multiply
    27,912.20x = 41,865.86 × 9,192.08
  4. Step 4: Simplify right side
    27,912.20x = 384,834,462.03
  5. Step 5: Solve for x
    x = 384,834,462.03/27,912.20
  6. Step 6: Final answer
    x = 13,787.32

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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.