Home / 21,902.13-32,876.58-9,428.33

Finding the Fourth Proportional to 21,902.13, 32,876.58 and 9,428.33

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Solution

The fourth proportional to 21,902.13, 32,876.58 and 9,428.33 is: 14,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.13 : 32,876.58 = 9,428.33 : x
  2. Step 2: Convert to fraction form
    21,902.13/32,876.58 = 9,428.33/x
  3. Step 3: Cross multiply
    21,902.13x = 32,876.58 × 9,428.33
  4. Step 4: Simplify right side
    21,902.13x = 309,971,198.37
  5. Step 5: Solve for x
    x = 309,971,198.37/21,902.13
  6. Step 6: Final answer
    x = 14,152.56

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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.