Home / 26,708.88-39,997.68-21,406.60

Finding the Fourth Proportional to 26,708.88, 39,997.68 and 21,406.60

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Solution

The fourth proportional to 26,708.88, 39,997.68 and 21,406.60 is: 32,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708.88 : 39,997.68 = 21,406.60 : x
  2. Step 2: Convert to fraction form
    26,708.88/39,997.68 = 21,406.60/x
  3. Step 3: Cross multiply
    26,708.88x = 39,997.68 × 21,406.60
  4. Step 4: Simplify right side
    26,708.88x = 856,214,336.69
  5. Step 5: Solve for x
    x = 856,214,336.69/26,708.88
  6. Step 6: Final answer
    x = 32,057.29

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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.