Home / 27,787.37-41,628.78-13,731.03

Finding the Fourth Proportional to 27,787.37, 41,628.78 and 13,731.03

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Solution

The fourth proportional to 27,787.37, 41,628.78 and 13,731.03 is: 20,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.37 : 41,628.78 = 13,731.03 : x
  2. Step 2: Convert to fraction form
    27,787.37/41,628.78 = 13,731.03/x
  3. Step 3: Cross multiply
    27,787.37x = 41,628.78 × 13,731.03
  4. Step 4: Simplify right side
    27,787.37x = 571,606,027.04
  5. Step 5: Solve for x
    x = 571,606,027.04/27,787.37
  6. Step 6: Final answer
    x = 20,570.72

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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.