Home / 21,850.18-32,747.76-9,355.42

Finding the Fourth Proportional to 21,850.18, 32,747.76 and 9,355.42

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Solution

The fourth proportional to 21,850.18, 32,747.76 and 9,355.42 is: 14,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850.18 : 32,747.76 = 9,355.42 : x
  2. Step 2: Convert to fraction form
    21,850.18/32,747.76 = 9,355.42/x
  3. Step 3: Cross multiply
    21,850.18x = 32,747.76 × 9,355.42
  4. Step 4: Simplify right side
    21,850.18x = 306,369,048.86
  5. Step 5: Solve for x
    x = 306,369,048.86/21,850.18
  6. Step 6: Final answer
    x = 14,021.35

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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.