Home / 27,131.12-40,759.05-19,144.26

Finding the Fourth Proportional to 27,131.12, 40,759.05 and 19,144.26

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Solution

The fourth proportional to 27,131.12, 40,759.05 and 19,144.26 is: 28,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.12 : 40,759.05 = 19,144.26 : x
  2. Step 2: Convert to fraction form
    27,131.12/40,759.05 = 19,144.26/x
  3. Step 3: Cross multiply
    27,131.12x = 40,759.05 × 19,144.26
  4. Step 4: Simplify right side
    27,131.12x = 780,301,850.55
  5. Step 5: Solve for x
    x = 780,301,850.55/27,131.12
  6. Step 6: Final answer
    x = 28,760.40

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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.