Home / 26,516.25-39,780.84-8,986.23

Finding the Fourth Proportional to 26,516.25, 39,780.84 and 8,986.23

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Solution

The fourth proportional to 26,516.25, 39,780.84 and 8,986.23 is: 13,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.25 : 39,780.84 = 8,986.23 : x
  2. Step 2: Convert to fraction form
    26,516.25/39,780.84 = 8,986.23/x
  3. Step 3: Cross multiply
    26,516.25x = 39,780.84 × 8,986.23
  4. Step 4: Simplify right side
    26,516.25x = 357,479,777.83
  5. Step 5: Solve for x
    x = 357,479,777.83/26,516.25
  6. Step 6: Final answer
    x = 13,481.54

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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.