Home / 26,815.08-40,209.60-8,091.63

Finding the Fourth Proportional to 26,815.08, 40,209.60 and 8,091.63

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Solution

The fourth proportional to 26,815.08, 40,209.60 and 8,091.63 is: 12,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.08 : 40,209.60 = 8,091.63 : x
  2. Step 2: Convert to fraction form
    26,815.08/40,209.60 = 8,091.63/x
  3. Step 3: Cross multiply
    26,815.08x = 40,209.60 × 8,091.63
  4. Step 4: Simplify right side
    26,815.08x = 325,361,205.65
  5. Step 5: Solve for x
    x = 325,361,205.65/26,815.08
  6. Step 6: Final answer
    x = 12,133.52

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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.