Home / 38,455.21-57,686.83-10,375.49

Finding the Fourth Proportional to 38,455.21, 57,686.83 and 10,375.49

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Solution

The fourth proportional to 38,455.21, 57,686.83 and 10,375.49 is: 15,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.21 : 57,686.83 = 10,375.49 : x
  2. Step 2: Convert to fraction form
    38,455.21/57,686.83 = 10,375.49/x
  3. Step 3: Cross multiply
    38,455.21x = 57,686.83 × 10,375.49
  4. Step 4: Simplify right side
    38,455.21x = 598,529,304.44
  5. Step 5: Solve for x
    x = 598,529,304.44/38,455.21
  6. Step 6: Final answer
    x = 15,564.32

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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.