Home / 27,362.05-41,043.09-21,131.17

Finding the Fourth Proportional to 27,362.05, 41,043.09 and 21,131.17

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Solution

The fourth proportional to 27,362.05, 41,043.09 and 21,131.17 is: 31,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,362.05 : 41,043.09 = 21,131.17 : x
  2. Step 2: Convert to fraction form
    27,362.05/41,043.09 = 21,131.17/x
  3. Step 3: Cross multiply
    27,362.05x = 41,043.09 × 21,131.17
  4. Step 4: Simplify right side
    27,362.05x = 867,288,512.12
  5. Step 5: Solve for x
    x = 867,288,512.12/27,362.05
  6. Step 6: Final answer
    x = 31,696.77

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1.5x scale

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.