Home / 27,867.78-41,779.80-19,076.04

Finding the Fourth Proportional to 27,867.78, 41,779.80 and 19,076.04

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Solution

The fourth proportional to 27,867.78, 41,779.80 and 19,076.04 is: 28,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.78 : 41,779.80 = 19,076.04 : x
  2. Step 2: Convert to fraction form
    27,867.78/41,779.80 = 19,076.04/x
  3. Step 3: Cross multiply
    27,867.78x = 41,779.80 × 19,076.04
  4. Step 4: Simplify right side
    27,867.78x = 796,993,135.99
  5. Step 5: Solve for x
    x = 796,993,135.99/27,867.78
  6. Step 6: Final answer
    x = 28,599.09

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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.