Home / 21,223.24-31,835.10-6,432.04

Finding the Fourth Proportional to 21,223.24, 31,835.10 and 6,432.04

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Solution

The fourth proportional to 21,223.24, 31,835.10 and 6,432.04 is: 9,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223.24 : 31,835.10 = 6,432.04 : x
  2. Step 2: Convert to fraction form
    21,223.24/31,835.10 = 6,432.04/x
  3. Step 3: Cross multiply
    21,223.24x = 31,835.10 × 6,432.04
  4. Step 4: Simplify right side
    21,223.24x = 204,764,636.60
  5. Step 5: Solve for x
    x = 204,764,636.60/21,223.24
  6. Step 6: Final answer
    x = 9,648.13

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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.