Home / 21,804.54-32,691.69-11,423.58

Finding the Fourth Proportional to 21,804.54, 32,691.69 and 11,423.58

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Solution

The fourth proportional to 21,804.54, 32,691.69 and 11,423.58 is: 17,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.54 : 32,691.69 = 11,423.58 : x
  2. Step 2: Convert to fraction form
    21,804.54/32,691.69 = 11,423.58/x
  3. Step 3: Cross multiply
    21,804.54x = 32,691.69 × 11,423.58
  4. Step 4: Simplify right side
    21,804.54x = 373,456,136.05
  5. Step 5: Solve for x
    x = 373,456,136.05/21,804.54
  6. Step 6: Final answer
    x = 17,127.45

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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.