Home / 23,040-31,796.64-13,104

Finding the Fourth Proportional to 23,040, 31,796.64 and 13,104

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Solution

The fourth proportional to 23,040, 31,796.64 and 13,104 is: 18,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040 : 31,796.64 = 13,104 : x
  2. Step 2: Convert to fraction form
    23,040/31,796.64 = 13,104/x
  3. Step 3: Cross multiply
    23,040x = 31,796.64 × 13,104
  4. Step 4: Simplify right side
    23,040x = 416,663,170.56
  5. Step 5: Solve for x
    x = 416,663,170.56/23,040
  6. Step 6: Final answer
    x = 18,084.34

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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.