Home / 21,233.95-31,835.73-9,982.97

Finding the Fourth Proportional to 21,233.95, 31,835.73 and 9,982.97

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Solution

The fourth proportional to 21,233.95, 31,835.73 and 9,982.97 is: 14,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.95 : 31,835.73 = 9,982.97 : x
  2. Step 2: Convert to fraction form
    21,233.95/31,835.73 = 9,982.97/x
  3. Step 3: Cross multiply
    21,233.95x = 31,835.73 × 9,982.97
  4. Step 4: Simplify right side
    21,233.95x = 317,815,224.70
  5. Step 5: Solve for x
    x = 317,815,224.70/21,233.95
  6. Step 6: Final answer
    x = 14,967.32

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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.