Home / 26,921.80-40,344.30-19,846.60

Finding the Fourth Proportional to 26,921.80, 40,344.30 and 19,846.60

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Solution

The fourth proportional to 26,921.80, 40,344.30 and 19,846.60 is: 29,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.80 : 40,344.30 = 19,846.60 : x
  2. Step 2: Convert to fraction form
    26,921.80/40,344.30 = 19,846.60/x
  3. Step 3: Cross multiply
    26,921.80x = 40,344.30 × 19,846.60
  4. Step 4: Simplify right side
    26,921.80x = 800,697,184.38
  5. Step 5: Solve for x
    x = 800,697,184.38/26,921.80
  6. Step 6: Final answer
    x = 29,741.59

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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.