Home / 27,873.78-41,778.45-12,849.51

Finding the Fourth Proportional to 27,873.78, 41,778.45 and 12,849.51

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Solution

The fourth proportional to 27,873.78, 41,778.45 and 12,849.51 is: 19,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.78 : 41,778.45 = 12,849.51 : x
  2. Step 2: Convert to fraction form
    27,873.78/41,778.45 = 12,849.51/x
  3. Step 3: Cross multiply
    27,873.78x = 41,778.45 × 12,849.51
  4. Step 4: Simplify right side
    27,873.78x = 536,832,611.06
  5. Step 5: Solve for x
    x = 536,832,611.06/27,873.78
  6. Step 6: Final answer
    x = 19,259.41

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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.