Home / 21,723.41-32,562.86-12,343.41

Finding the Fourth Proportional to 21,723.41, 32,562.86 and 12,343.41

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Solution

The fourth proportional to 21,723.41, 32,562.86 and 12,343.41 is: 18,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.41 : 32,562.86 = 12,343.41 : x
  2. Step 2: Convert to fraction form
    21,723.41/32,562.86 = 12,343.41/x
  3. Step 3: Cross multiply
    21,723.41x = 32,562.86 × 12,343.41
  4. Step 4: Simplify right side
    21,723.41x = 401,936,670.04
  5. Step 5: Solve for x
    x = 401,936,670.04/21,723.41
  6. Step 6: Final answer
    x = 18,502.47

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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.