Home / 25,449.83-38,180.44-7,680.80

Finding the Fourth Proportional to 25,449.83, 38,180.44 and 7,680.80

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Solution

The fourth proportional to 25,449.83, 38,180.44 and 7,680.80 is: 11,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.83 : 38,180.44 = 7,680.80 : x
  2. Step 2: Convert to fraction form
    25,449.83/38,180.44 = 7,680.80/x
  3. Step 3: Cross multiply
    25,449.83x = 38,180.44 × 7,680.80
  4. Step 4: Simplify right side
    25,449.83x = 293,256,428.60
  5. Step 5: Solve for x
    x = 293,256,428.60/25,449.83
  6. Step 6: Final answer
    x = 11,522.92

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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.