Home / 27,362.05-40,917.99-19,890.71

Finding the Fourth Proportional to 27,362.05, 40,917.99 and 19,890.71

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Solution

The fourth proportional to 27,362.05, 40,917.99 and 19,890.71 is: 29,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,362.05 : 40,917.99 = 19,890.71 : x
  2. Step 2: Convert to fraction form
    27,362.05/40,917.99 = 19,890.71/x
  3. Step 3: Cross multiply
    27,362.05x = 40,917.99 × 19,890.71
  4. Step 4: Simplify right side
    27,362.05x = 813,887,872.87
  5. Step 5: Solve for x
    x = 813,887,872.87/27,362.05
  6. Step 6: Final answer
    x = 29,745.14

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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.