Home / 19,927.36-27,503.04-15,202.72

Finding the Fourth Proportional to 19,927.36, 27,503.04 and 15,202.72

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Solution

The fourth proportional to 19,927.36, 27,503.04 and 15,202.72 is: 20,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.36 : 27,503.04 = 15,202.72 : x
  2. Step 2: Convert to fraction form
    19,927.36/27,503.04 = 15,202.72/x
  3. Step 3: Cross multiply
    19,927.36x = 27,503.04 × 15,202.72
  4. Step 4: Simplify right side
    19,927.36x = 418,121,016.27
  5. Step 5: Solve for x
    x = 418,121,016.27/19,927.36
  6. Step 6: Final answer
    x = 20,982.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.