Home / 27,705.28-41,550.72-7,979.44

Finding the Fourth Proportional to 27,705.28, 41,550.72 and 7,979.44

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Solution

The fourth proportional to 27,705.28, 41,550.72 and 7,979.44 is: 11,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.28 : 41,550.72 = 7,979.44 : x
  2. Step 2: Convert to fraction form
    27,705.28/41,550.72 = 7,979.44/x
  3. Step 3: Cross multiply
    27,705.28x = 41,550.72 × 7,979.44
  4. Step 4: Simplify right side
    27,705.28x = 331,551,477.20
  5. Step 5: Solve for x
    x = 331,551,477.20/27,705.28
  6. Step 6: Final answer
    x = 11,967.09

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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.