Home / 26,803.13-40,204.70-18,361.31

Finding the Fourth Proportional to 26,803.13, 40,204.70 and 18,361.31

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Solution

The fourth proportional to 26,803.13, 40,204.70 and 18,361.31 is: 27,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803.13 : 40,204.70 = 18,361.31 : x
  2. Step 2: Convert to fraction form
    26,803.13/40,204.70 = 18,361.31/x
  3. Step 3: Cross multiply
    26,803.13x = 40,204.70 × 18,361.31
  4. Step 4: Simplify right side
    26,803.13x = 738,210,667.33
  5. Step 5: Solve for x
    x = 738,210,667.33/26,803.13
  6. Step 6: Final answer
    x = 27,541.96

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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.