Home / 21,922.36-32,858.88-10,805.52

Finding the Fourth Proportional to 21,922.36, 32,858.88 and 10,805.52

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Solution

The fourth proportional to 21,922.36, 32,858.88 and 10,805.52 is: 16,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.36 : 32,858.88 = 10,805.52 : x
  2. Step 2: Convert to fraction form
    21,922.36/32,858.88 = 10,805.52/x
  3. Step 3: Cross multiply
    21,922.36x = 32,858.88 × 10,805.52
  4. Step 4: Simplify right side
    21,922.36x = 355,057,285.02
  5. Step 5: Solve for x
    x = 355,057,285.02/21,922.36
  6. Step 6: Final answer
    x = 16,196.13

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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.