Home / 21,857.04-32,730.19-13,553.27

Finding the Fourth Proportional to 21,857.04, 32,730.19 and 13,553.27

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Solution

The fourth proportional to 21,857.04, 32,730.19 and 13,553.27 is: 20,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857.04 : 32,730.19 = 13,553.27 : x
  2. Step 2: Convert to fraction form
    21,857.04/32,730.19 = 13,553.27/x
  3. Step 3: Cross multiply
    21,857.04x = 32,730.19 × 13,553.27
  4. Step 4: Simplify right side
    21,857.04x = 443,601,150.16
  5. Step 5: Solve for x
    x = 443,601,150.16/21,857.04
  6. Step 6: Final answer
    x = 20,295.57

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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.