Home / 27,645.42-38,138.67-17,568.46

Finding the Fourth Proportional to 27,645.42, 38,138.67 and 17,568.46

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Solution

The fourth proportional to 27,645.42, 38,138.67 and 17,568.46 is: 24,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.42 : 38,138.67 = 17,568.46 : x
  2. Step 2: Convert to fraction form
    27,645.42/38,138.67 = 17,568.46/x
  3. Step 3: Cross multiply
    27,645.42x = 38,138.67 × 17,568.46
  4. Step 4: Simplify right side
    27,645.42x = 670,037,698.35
  5. Step 5: Solve for x
    x = 670,037,698.35/27,645.42
  6. Step 6: Final answer
    x = 24,236.84

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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.