Home / 26,891.48-40,322.46-20,635.88

Finding the Fourth Proportional to 26,891.48, 40,322.46 and 20,635.88

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Solution

The fourth proportional to 26,891.48, 40,322.46 and 20,635.88 is: 30,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.48 : 40,322.46 = 20,635.88 : x
  2. Step 2: Convert to fraction form
    26,891.48/40,322.46 = 20,635.88/x
  3. Step 3: Cross multiply
    26,891.48x = 40,322.46 × 20,635.88
  4. Step 4: Simplify right side
    26,891.48x = 832,089,445.86
  5. Step 5: Solve for x
    x = 832,089,445.86/26,891.48
  6. Step 6: Final answer
    x = 30,942.49

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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.