Home / 18,418.57-27,628.05-14,744.16

Finding the Fourth Proportional to 18,418.57, 27,628.05 and 14,744.16

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Solution

The fourth proportional to 18,418.57, 27,628.05 and 14,744.16 is: 22,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.57 : 27,628.05 = 14,744.16 : x
  2. Step 2: Convert to fraction form
    18,418.57/27,628.05 = 14,744.16/x
  3. Step 3: Cross multiply
    18,418.57x = 27,628.05 × 14,744.16
  4. Step 4: Simplify right side
    18,418.57x = 407,352,249.22
  5. Step 5: Solve for x
    x = 407,352,249.22/18,418.57
  6. Step 6: Final answer
    x = 22,116.39

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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.