Home / 27,679.86-41,513.58-7,954.02

Finding the Fourth Proportional to 27,679.86, 41,513.58 and 7,954.02

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Solution

The fourth proportional to 27,679.86, 41,513.58 and 7,954.02 is: 11,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.86 : 41,513.58 = 7,954.02 : x
  2. Step 2: Convert to fraction form
    27,679.86/41,513.58 = 7,954.02/x
  3. Step 3: Cross multiply
    27,679.86x = 41,513.58 × 7,954.02
  4. Step 4: Simplify right side
    27,679.86x = 330,199,845.59
  5. Step 5: Solve for x
    x = 330,199,845.59/27,679.86
  6. Step 6: Final answer
    x = 11,929.25

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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.