Home / 26,767.88-40,121.58-20,173.40

Finding the Fourth Proportional to 26,767.88, 40,121.58 and 20,173.40

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Solution

The fourth proportional to 26,767.88, 40,121.58 and 20,173.40 is: 30,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.88 : 40,121.58 = 20,173.40 : x
  2. Step 2: Convert to fraction form
    26,767.88/40,121.58 = 20,173.40/x
  3. Step 3: Cross multiply
    26,767.88x = 40,121.58 × 20,173.40
  4. Step 4: Simplify right side
    26,767.88x = 809,388,681.97
  5. Step 5: Solve for x
    x = 809,388,681.97/26,767.88
  6. Step 6: Final answer
    x = 30,237.31

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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.