Home / 27,793.75-38,361.33-17,719.87

Finding the Fourth Proportional to 27,793.75, 38,361.33 and 17,719.87

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Solution

The fourth proportional to 27,793.75, 38,361.33 and 17,719.87 is: 24,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.75 : 38,361.33 = 17,719.87 : x
  2. Step 2: Convert to fraction form
    27,793.75/38,361.33 = 17,719.87/x
  3. Step 3: Cross multiply
    27,793.75x = 38,361.33 × 17,719.87
  4. Step 4: Simplify right side
    27,793.75x = 679,757,500.22
  5. Step 5: Solve for x
    x = 679,757,500.22/27,793.75
  6. Step 6: Final answer
    x = 24,457.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.