Home / 21,723.53-32,581.35-11,723.58

Finding the Fourth Proportional to 21,723.53, 32,581.35 and 11,723.58

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Solution

The fourth proportional to 21,723.53, 32,581.35 and 11,723.58 is: 17,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.53 : 32,581.35 = 11,723.58 : x
  2. Step 2: Convert to fraction form
    21,723.53/32,581.35 = 11,723.58/x
  3. Step 3: Cross multiply
    21,723.53x = 32,581.35 × 11,723.58
  4. Step 4: Simplify right side
    21,723.53x = 381,970,063.23
  5. Step 5: Solve for x
    x = 381,970,063.23/21,723.53
  6. Step 6: Final answer
    x = 17,583.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.