Home / 21,912.06-32,850.96-10,073.72

Finding the Fourth Proportional to 21,912.06, 32,850.96 and 10,073.72

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Solution

The fourth proportional to 21,912.06, 32,850.96 and 10,073.72 is: 15,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.06 : 32,850.96 = 10,073.72 : x
  2. Step 2: Convert to fraction form
    21,912.06/32,850.96 = 10,073.72/x
  3. Step 3: Cross multiply
    21,912.06x = 32,850.96 × 10,073.72
  4. Step 4: Simplify right side
    21,912.06x = 330,931,372.77
  5. Step 5: Solve for x
    x = 330,931,372.77/21,912.06
  6. Step 6: Final answer
    x = 15,102.70

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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.