Home / 21,274.44-29,399.19-15,960.03

Finding the Fourth Proportional to 21,274.44, 29,399.19 and 15,960.03

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Solution

The fourth proportional to 21,274.44, 29,399.19 and 15,960.03 is: 22,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.44 : 29,399.19 = 15,960.03 : x
  2. Step 2: Convert to fraction form
    21,274.44/29,399.19 = 15,960.03/x
  3. Step 3: Cross multiply
    21,274.44x = 29,399.19 × 15,960.03
  4. Step 4: Simplify right side
    21,274.44x = 469,211,954.38
  5. Step 5: Solve for x
    x = 469,211,954.38/21,274.44
  6. Step 6: Final answer
    x = 22,055.20

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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.