Home / 21,917.76-32,837.76-11,536.80

Finding the Fourth Proportional to 21,917.76, 32,837.76 and 11,536.80

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Solution

The fourth proportional to 21,917.76, 32,837.76 and 11,536.80 is: 17,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917.76 : 32,837.76 = 11,536.80 : x
  2. Step 2: Convert to fraction form
    21,917.76/32,837.76 = 11,536.80/x
  3. Step 3: Cross multiply
    21,917.76x = 32,837.76 × 11,536.80
  4. Step 4: Simplify right side
    21,917.76x = 378,842,669.57
  5. Step 5: Solve for x
    x = 378,842,669.57/21,917.76
  6. Step 6: Final answer
    x = 17,284.73

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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.