Home / 21,967.00-32,936.65-18,636.41

Finding the Fourth Proportional to 21,967.00, 32,936.65 and 18,636.41

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Solution

The fourth proportional to 21,967.00, 32,936.65 and 18,636.41 is: 27,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.00 : 32,936.65 = 18,636.41 : x
  2. Step 2: Convert to fraction form
    21,967.00/32,936.65 = 18,636.41/x
  3. Step 3: Cross multiply
    21,967.00x = 32,936.65 × 18,636.41
  4. Step 4: Simplify right side
    21,967.00x = 613,820,820.24
  5. Step 5: Solve for x
    x = 613,820,820.24/21,967.00
  6. Step 6: Final answer
    x = 27,942.87

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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.