Home / 27,639.44-41,453.04-7,917.92

Finding the Fourth Proportional to 27,639.44, 41,453.04 and 7,917.92

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Solution

The fourth proportional to 27,639.44, 41,453.04 and 7,917.92 is: 11,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.44 : 41,453.04 = 7,917.92 : x
  2. Step 2: Convert to fraction form
    27,639.44/41,453.04 = 7,917.92/x
  3. Step 3: Cross multiply
    27,639.44x = 41,453.04 × 7,917.92
  4. Step 4: Simplify right side
    27,639.44x = 328,221,854.48
  5. Step 5: Solve for x
    x = 328,221,854.48/27,639.44
  6. Step 6: Final answer
    x = 11,875.13

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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.