Home / 27,972.89-41,949.32-9,249.47

Finding the Fourth Proportional to 27,972.89, 41,949.32 and 9,249.47

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Solution

The fourth proportional to 27,972.89, 41,949.32 and 9,249.47 is: 13,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.89 : 41,949.32 = 9,249.47 : x
  2. Step 2: Convert to fraction form
    27,972.89/41,949.32 = 9,249.47/x
  3. Step 3: Cross multiply
    27,972.89x = 41,949.32 × 9,249.47
  4. Step 4: Simplify right side
    27,972.89x = 388,008,720.87
  5. Step 5: Solve for x
    x = 388,008,720.87/27,972.89
  6. Step 6: Final answer
    x = 13,870.89

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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.