Home / 26,109.24-39,103.08-12,919.20

Finding the Fourth Proportional to 26,109.24, 39,103.08 and 12,919.20

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Solution

The fourth proportional to 26,109.24, 39,103.08 and 12,919.20 is: 19,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.24 : 39,103.08 = 12,919.20 : x
  2. Step 2: Convert to fraction form
    26,109.24/39,103.08 = 12,919.20/x
  3. Step 3: Cross multiply
    26,109.24x = 39,103.08 × 12,919.20
  4. Step 4: Simplify right side
    26,109.24x = 505,180,511.14
  5. Step 5: Solve for x
    x = 505,180,511.14/26,109.24
  6. Step 6: Final answer
    x = 19,348.73

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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.