Home / 26,892.76-40,309.26-20,297.56

Finding the Fourth Proportional to 26,892.76, 40,309.26 and 20,297.56

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Solution

The fourth proportional to 26,892.76, 40,309.26 and 20,297.56 is: 30,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.76 : 40,309.26 = 20,297.56 : x
  2. Step 2: Convert to fraction form
    26,892.76/40,309.26 = 20,297.56/x
  3. Step 3: Cross multiply
    26,892.76x = 40,309.26 × 20,297.56
  4. Step 4: Simplify right side
    26,892.76x = 818,179,623.41
  5. Step 5: Solve for x
    x = 818,179,623.41/26,892.76
  6. Step 6: Final answer
    x = 30,423.79

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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.