Home / 38,016.18-57,018.15-11,361.78

Finding the Fourth Proportional to 38,016.18, 57,018.15 and 11,361.78

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Solution

The fourth proportional to 38,016.18, 57,018.15 and 11,361.78 is: 17,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.18 : 57,018.15 = 11,361.78 : x
  2. Step 2: Convert to fraction form
    38,016.18/57,018.15 = 11,361.78/x
  3. Step 3: Cross multiply
    38,016.18x = 57,018.15 × 11,361.78
  4. Step 4: Simplify right side
    38,016.18x = 647,827,676.31
  5. Step 5: Solve for x
    x = 647,827,676.31/38,016.18
  6. Step 6: Final answer
    x = 17,040.84

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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.