Home / 26,759.31-40,144.84-8,989.33

Finding the Fourth Proportional to 26,759.31, 40,144.84 and 8,989.33

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Solution

The fourth proportional to 26,759.31, 40,144.84 and 8,989.33 is: 13,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.31 : 40,144.84 = 8,989.33 : x
  2. Step 2: Convert to fraction form
    26,759.31/40,144.84 = 8,989.33/x
  3. Step 3: Cross multiply
    26,759.31x = 40,144.84 × 8,989.33
  4. Step 4: Simplify right side
    26,759.31x = 360,875,091.72
  5. Step 5: Solve for x
    x = 360,875,091.72/26,759.31
  6. Step 6: Final answer
    x = 13,485.96

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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.