Home / 27,486.06-41,231.79-7,764.77

Finding the Fourth Proportional to 27,486.06, 41,231.79 and 7,764.77

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Solution

The fourth proportional to 27,486.06, 41,231.79 and 7,764.77 is: 11,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.06 : 41,231.79 = 7,764.77 : x
  2. Step 2: Convert to fraction form
    27,486.06/41,231.79 = 7,764.77/x
  3. Step 3: Cross multiply
    27,486.06x = 41,231.79 × 7,764.77
  4. Step 4: Simplify right side
    27,486.06x = 320,155,159.88
  5. Step 5: Solve for x
    x = 320,155,159.88/27,486.06
  6. Step 6: Final answer
    x = 11,647.91

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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.