Home / 21,301.82-31,952.27-5,719.44

Finding the Fourth Proportional to 21,301.82, 31,952.27 and 5,719.44

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Solution

The fourth proportional to 21,301.82, 31,952.27 and 5,719.44 is: 8,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.82 : 31,952.27 = 5,719.44 : x
  2. Step 2: Convert to fraction form
    21,301.82/31,952.27 = 5,719.44/x
  3. Step 3: Cross multiply
    21,301.82x = 31,952.27 × 5,719.44
  4. Step 4: Simplify right side
    21,301.82x = 182,749,225.25
  5. Step 5: Solve for x
    x = 182,749,225.25/21,301.82
  6. Step 6: Final answer
    x = 8,579.04

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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.