Home / 21,529.53-32,294.31-11,731.09

Finding the Fourth Proportional to 21,529.53, 32,294.31 and 11,731.09

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Solution

The fourth proportional to 21,529.53, 32,294.31 and 11,731.09 is: 17,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.53 : 32,294.31 = 11,731.09 : x
  2. Step 2: Convert to fraction form
    21,529.53/32,294.31 = 11,731.09/x
  3. Step 3: Cross multiply
    21,529.53x = 32,294.31 × 11,731.09
  4. Step 4: Simplify right side
    21,529.53x = 378,847,398.44
  5. Step 5: Solve for x
    x = 378,847,398.44/21,529.53
  6. Step 6: Final answer
    x = 17,596.64

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1.5x scale

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.