Home / 26,249.54-39,403.01-13,766.21

Finding the Fourth Proportional to 26,249.54, 39,403.01 and 13,766.21

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Solution

The fourth proportional to 26,249.54, 39,403.01 and 13,766.21 is: 20,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.54 : 39,403.01 = 13,766.21 : x
  2. Step 2: Convert to fraction form
    26,249.54/39,403.01 = 13,766.21/x
  3. Step 3: Cross multiply
    26,249.54x = 39,403.01 × 13,766.21
  4. Step 4: Simplify right side
    26,249.54x = 542,429,844.45
  5. Step 5: Solve for x
    x = 542,429,844.45/26,249.54
  6. Step 6: Final answer
    x = 20,664.36

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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.