Home / 26,780.82-40,096.53-20,187.06

Finding the Fourth Proportional to 26,780.82, 40,096.53 and 20,187.06

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Solution

The fourth proportional to 26,780.82, 40,096.53 and 20,187.06 is: 30,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.82 : 40,096.53 = 20,187.06 : x
  2. Step 2: Convert to fraction form
    26,780.82/40,096.53 = 20,187.06/x
  3. Step 3: Cross multiply
    26,780.82x = 40,096.53 × 20,187.06
  4. Step 4: Simplify right side
    26,780.82x = 809,431,056.90
  5. Step 5: Solve for x
    x = 809,431,056.90/26,780.82
  6. Step 6: Final answer
    x = 30,224.28

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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.