Home / 25,469.06-38,207.43-7,940.25

Finding the Fourth Proportional to 25,469.06, 38,207.43 and 7,940.25

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Solution

The fourth proportional to 25,469.06, 38,207.43 and 7,940.25 is: 11,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.06 : 38,207.43 = 7,940.25 : x
  2. Step 2: Convert to fraction form
    25,469.06/38,207.43 = 7,940.25/x
  3. Step 3: Cross multiply
    25,469.06x = 38,207.43 × 7,940.25
  4. Step 4: Simplify right side
    25,469.06x = 303,376,546.06
  5. Step 5: Solve for x
    x = 303,376,546.06/25,469.06
  6. Step 6: Final answer
    x = 11,911.57

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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.