Home / 21,889.26-32,844.14-10,789.90

Finding the Fourth Proportional to 21,889.26, 32,844.14 and 10,789.90

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Solution

The fourth proportional to 21,889.26, 32,844.14 and 10,789.90 is: 16,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.26 : 32,844.14 = 10,789.90 : x
  2. Step 2: Convert to fraction form
    21,889.26/32,844.14 = 10,789.90/x
  3. Step 3: Cross multiply
    21,889.26x = 32,844.14 × 10,789.90
  4. Step 4: Simplify right side
    21,889.26x = 354,384,986.19
  5. Step 5: Solve for x
    x = 354,384,986.19/21,889.26
  6. Step 6: Final answer
    x = 16,189.90

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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.