Home / 21,679.56-32,523.74-12,324.06

Finding the Fourth Proportional to 21,679.56, 32,523.74 and 12,324.06

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Solution

The fourth proportional to 21,679.56, 32,523.74 and 12,324.06 is: 18,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.56 : 32,523.74 = 12,324.06 : x
  2. Step 2: Convert to fraction form
    21,679.56/32,523.74 = 12,324.06/x
  3. Step 3: Cross multiply
    21,679.56x = 32,523.74 × 12,324.06
  4. Step 4: Simplify right side
    21,679.56x = 400,824,461.56
  5. Step 5: Solve for x
    x = 400,824,461.56/21,679.56
  6. Step 6: Final answer
    x = 18,488.59

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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.