Home / 26,529.36-39,793.77-12,480.36

Finding the Fourth Proportional to 26,529.36, 39,793.77 and 12,480.36

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Solution

The fourth proportional to 26,529.36, 39,793.77 and 12,480.36 is: 18,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.36 : 39,793.77 = 12,480.36 : x
  2. Step 2: Convert to fraction form
    26,529.36/39,793.77 = 12,480.36/x
  3. Step 3: Cross multiply
    26,529.36x = 39,793.77 × 12,480.36
  4. Step 4: Simplify right side
    26,529.36x = 496,640,575.36
  5. Step 5: Solve for x
    x = 496,640,575.36/26,529.36
  6. Step 6: Final answer
    x = 18,720.41

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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.