Home / 25,839.54-38,759.52-7,120.62

Finding the Fourth Proportional to 25,839.54, 38,759.52 and 7,120.62

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Solution

The fourth proportional to 25,839.54, 38,759.52 and 7,120.62 is: 10,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839.54 : 38,759.52 = 7,120.62 : x
  2. Step 2: Convert to fraction form
    25,839.54/38,759.52 = 7,120.62/x
  3. Step 3: Cross multiply
    25,839.54x = 38,759.52 × 7,120.62
  4. Step 4: Simplify right side
    25,839.54x = 275,991,813.30
  5. Step 5: Solve for x
    x = 275,991,813.30/25,839.54
  6. Step 6: Final answer
    x = 10,680.99

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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.