Home / 27,477.05-41,223.29-7,755.77

Finding the Fourth Proportional to 27,477.05, 41,223.29 and 7,755.77

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Solution

The fourth proportional to 27,477.05, 41,223.29 and 7,755.77 is: 11,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.05 : 41,223.29 = 7,755.77 : x
  2. Step 2: Convert to fraction form
    27,477.05/41,223.29 = 7,755.77/x
  3. Step 3: Cross multiply
    27,477.05x = 41,223.29 × 7,755.77
  4. Step 4: Simplify right side
    27,477.05x = 319,718,110.99
  5. Step 5: Solve for x
    x = 319,718,110.99/27,477.05
  6. Step 6: Final answer
    x = 11,635.83

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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.