Home / 27,890.64-41,850.30-18,537.09

Finding the Fourth Proportional to 27,890.64, 41,850.30 and 18,537.09

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Solution

The fourth proportional to 27,890.64, 41,850.30 and 18,537.09 is: 27,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.64 : 41,850.30 = 18,537.09 : x
  2. Step 2: Convert to fraction form
    27,890.64/41,850.30 = 18,537.09/x
  3. Step 3: Cross multiply
    27,890.64x = 41,850.30 × 18,537.09
  4. Step 4: Simplify right side
    27,890.64x = 775,782,777.63
  5. Step 5: Solve for x
    x = 775,782,777.63/27,890.64
  6. Step 6: Final answer
    x = 27,815.17

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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.