Home / 26,741.44-40,170.18-20,909.44

Finding the Fourth Proportional to 26,741.44, 40,170.18 and 20,909.44

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Solution

The fourth proportional to 26,741.44, 40,170.18 and 20,909.44 is: 31,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,741.44 : 40,170.18 = 20,909.44 : x
  2. Step 2: Convert to fraction form
    26,741.44/40,170.18 = 20,909.44/x
  3. Step 3: Cross multiply
    26,741.44x = 40,170.18 × 20,909.44
  4. Step 4: Simplify right side
    26,741.44x = 839,935,968.50
  5. Step 5: Solve for x
    x = 839,935,968.50/26,741.44
  6. Step 6: Final answer
    x = 31,409.53

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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.