Home / 21,233-31,848.24-6,442.04

Finding the Fourth Proportional to 21,233, 31,848.24 and 6,442.04

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Solution

The fourth proportional to 21,233, 31,848.24 and 6,442.04 is: 9,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233 : 31,848.24 = 6,442.04 : x
  2. Step 2: Convert to fraction form
    21,233/31,848.24 = 6,442.04/x
  3. Step 3: Cross multiply
    21,233x = 31,848.24 × 6,442.04
  4. Step 4: Simplify right side
    21,233x = 205,167,636.01
  5. Step 5: Solve for x
    x = 205,167,636.01/21,233
  6. Step 6: Final answer
    x = 9,662.68

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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.