Home / 26,115.21-39,179.43-8,585.19

Finding the Fourth Proportional to 26,115.21, 39,179.43 and 8,585.19

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Solution

The fourth proportional to 26,115.21, 39,179.43 and 8,585.19 is: 12,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.21 : 39,179.43 = 8,585.19 : x
  2. Step 2: Convert to fraction form
    26,115.21/39,179.43 = 8,585.19/x
  3. Step 3: Cross multiply
    26,115.21x = 39,179.43 × 8,585.19
  4. Step 4: Simplify right side
    26,115.21x = 336,362,850.64
  5. Step 5: Solve for x
    x = 336,362,850.64/26,115.21
  6. Step 6: Final answer
    x = 12,879.96

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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.