Home / 27,639.24-41,458.71-7,917.87

Finding the Fourth Proportional to 27,639.24, 41,458.71 and 7,917.87

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Solution

The fourth proportional to 27,639.24, 41,458.71 and 7,917.87 is: 11,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.24 : 41,458.71 = 7,917.87 : x
  2. Step 2: Convert to fraction form
    27,639.24/41,458.71 = 7,917.87/x
  3. Step 3: Cross multiply
    27,639.24x = 41,458.71 × 7,917.87
  4. Step 4: Simplify right side
    27,639.24x = 328,264,676.15
  5. Step 5: Solve for x
    x = 328,264,676.15/27,639.24
  6. Step 6: Final answer
    x = 11,876.76

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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.