Home / 27,906.35-38,488.49-18,356.04

Finding the Fourth Proportional to 27,906.35, 38,488.49 and 18,356.04

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Solution

The fourth proportional to 27,906.35, 38,488.49 and 18,356.04 is: 25,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.35 : 38,488.49 = 18,356.04 : x
  2. Step 2: Convert to fraction form
    27,906.35/38,488.49 = 18,356.04/x
  3. Step 3: Cross multiply
    27,906.35x = 38,488.49 × 18,356.04
  4. Step 4: Simplify right side
    27,906.35x = 706,496,383.37
  5. Step 5: Solve for x
    x = 706,496,383.37/27,906.35
  6. Step 6: Final answer
    x = 25,316.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.