Home / 27,865.23-41,787.45-11,219.64

Finding the Fourth Proportional to 27,865.23, 41,787.45 and 11,219.64

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Solution

The fourth proportional to 27,865.23, 41,787.45 and 11,219.64 is: 16,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.23 : 41,787.45 = 11,219.64 : x
  2. Step 2: Convert to fraction form
    27,865.23/41,787.45 = 11,219.64/x
  3. Step 3: Cross multiply
    27,865.23x = 41,787.45 × 11,219.64
  4. Step 4: Simplify right side
    27,865.23x = 468,840,145.52
  5. Step 5: Solve for x
    x = 468,840,145.52/27,865.23
  6. Step 6: Final answer
    x = 16,825.27

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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.