Home / 26,016.80-39,025.08-8,486.60

Finding the Fourth Proportional to 26,016.80, 39,025.08 and 8,486.60

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Solution

The fourth proportional to 26,016.80, 39,025.08 and 8,486.60 is: 12,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,016.80 : 39,025.08 = 8,486.60 : x
  2. Step 2: Convert to fraction form
    26,016.80/39,025.08 = 8,486.60/x
  3. Step 3: Cross multiply
    26,016.80x = 39,025.08 × 8,486.60
  4. Step 4: Simplify right side
    26,016.80x = 331,190,243.93
  5. Step 5: Solve for x
    x = 331,190,243.93/26,016.80
  6. Step 6: Final answer
    x = 12,729.86

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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.