Home / 26,396.64-39,609.84-10,825.20

Finding the Fourth Proportional to 26,396.64, 39,609.84 and 10,825.20

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Solution

The fourth proportional to 26,396.64, 39,609.84 and 10,825.20 is: 16,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.64 : 39,609.84 = 10,825.20 : x
  2. Step 2: Convert to fraction form
    26,396.64/39,609.84 = 10,825.20/x
  3. Step 3: Cross multiply
    26,396.64x = 39,609.84 × 10,825.20
  4. Step 4: Simplify right side
    26,396.64x = 428,784,439.97
  5. Step 5: Solve for x
    x = 428,784,439.97/26,396.64
  6. Step 6: Final answer
    x = 16,243.90

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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.