Home / 25,213.20-37,825.20-7,684.80

Finding the Fourth Proportional to 25,213.20, 37,825.20 and 7,684.80

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Solution

The fourth proportional to 25,213.20, 37,825.20 and 7,684.80 is: 11,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.20 : 37,825.20 = 7,684.80 : x
  2. Step 2: Convert to fraction form
    25,213.20/37,825.20 = 7,684.80/x
  3. Step 3: Cross multiply
    25,213.20x = 37,825.20 × 7,684.80
  4. Step 4: Simplify right side
    25,213.20x = 290,679,096.96
  5. Step 5: Solve for x
    x = 290,679,096.96/25,213.20
  6. Step 6: Final answer
    x = 11,528.85

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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.