Home / 27,970.49-41,949.32-7,979.60

Finding the Fourth Proportional to 27,970.49, 41,949.32 and 7,979.60

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Solution

The fourth proportional to 27,970.49, 41,949.32 and 7,979.60 is: 11,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.49 : 41,949.32 = 7,979.60 : x
  2. Step 2: Convert to fraction form
    27,970.49/41,949.32 = 7,979.60/x
  3. Step 3: Cross multiply
    27,970.49x = 41,949.32 × 7,979.60
  4. Step 4: Simplify right side
    27,970.49x = 334,738,544.23
  5. Step 5: Solve for x
    x = 334,738,544.23/27,970.49
  6. Step 6: Final answer
    x = 11,967.56

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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.