Home / 23,789.94-35,687.97-7,988.18

Finding the Fourth Proportional to 23,789.94, 35,687.97 and 7,988.18

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Solution

The fourth proportional to 23,789.94, 35,687.97 and 7,988.18 is: 11,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.94 : 35,687.97 = 7,988.18 : x
  2. Step 2: Convert to fraction form
    23,789.94/35,687.97 = 7,988.18/x
  3. Step 3: Cross multiply
    23,789.94x = 35,687.97 × 7,988.18
  4. Step 4: Simplify right side
    23,789.94x = 285,081,749.75
  5. Step 5: Solve for x
    x = 285,081,749.75/23,789.94
  6. Step 6: Final answer
    x = 11,983.29

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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.