Home / 26,757.12-40,144.98-11,967.60

Finding the Fourth Proportional to 26,757.12, 40,144.98 and 11,967.60

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Solution

The fourth proportional to 26,757.12, 40,144.98 and 11,967.60 is: 17,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.12 : 40,144.98 = 11,967.60 : x
  2. Step 2: Convert to fraction form
    26,757.12/40,144.98 = 11,967.60/x
  3. Step 3: Cross multiply
    26,757.12x = 40,144.98 × 11,967.60
  4. Step 4: Simplify right side
    26,757.12x = 480,439,062.65
  5. Step 5: Solve for x
    x = 480,439,062.65/26,757.12
  6. Step 6: Final answer
    x = 17,955.56

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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.