Home / 27,356.73-40,994.04-21,107.37

Finding the Fourth Proportional to 27,356.73, 40,994.04 and 21,107.37

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Solution

The fourth proportional to 27,356.73, 40,994.04 and 21,107.37 is: 31,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.73 : 40,994.04 = 21,107.37 : x
  2. Step 2: Convert to fraction form
    27,356.73/40,994.04 = 21,107.37/x
  3. Step 3: Cross multiply
    27,356.73x = 40,994.04 × 21,107.37
  4. Step 4: Simplify right side
    27,356.73x = 865,276,370.07
  5. Step 5: Solve for x
    x = 865,276,370.07/27,356.73
  6. Step 6: Final answer
    x = 31,629.38

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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.