Home / 26,468.20-39,659.10-19,469.80

Finding the Fourth Proportional to 26,468.20, 39,659.10 and 19,469.80

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Solution

The fourth proportional to 26,468.20, 39,659.10 and 19,469.80 is: 29,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,468.20 : 39,659.10 = 19,469.80 : x
  2. Step 2: Convert to fraction form
    26,468.20/39,659.10 = 19,469.80/x
  3. Step 3: Cross multiply
    26,468.20x = 39,659.10 × 19,469.80
  4. Step 4: Simplify right side
    26,468.20x = 772,154,745.18
  5. Step 5: Solve for x
    x = 772,154,745.18/26,468.20
  6. Step 6: Final answer
    x = 29,172.92

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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.