Home / 21,396.25-32,099.24-11,535.31

Finding the Fourth Proportional to 21,396.25, 32,099.24 and 11,535.31

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Solution

The fourth proportional to 21,396.25, 32,099.24 and 11,535.31 is: 17,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.25 : 32,099.24 = 11,535.31 : x
  2. Step 2: Convert to fraction form
    21,396.25/32,099.24 = 11,535.31/x
  3. Step 3: Cross multiply
    21,396.25x = 32,099.24 × 11,535.31
  4. Step 4: Simplify right side
    21,396.25x = 370,274,688.24
  5. Step 5: Solve for x
    x = 370,274,688.24/21,396.25
  6. Step 6: Final answer
    x = 17,305.59

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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.