Home / 21,782.38-32,652.06-10,516.96

Finding the Fourth Proportional to 21,782.38, 32,652.06 and 10,516.96

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Solution

The fourth proportional to 21,782.38, 32,652.06 and 10,516.96 is: 15,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782.38 : 32,652.06 = 10,516.96 : x
  2. Step 2: Convert to fraction form
    21,782.38/32,652.06 = 10,516.96/x
  3. Step 3: Cross multiply
    21,782.38x = 32,652.06 × 10,516.96
  4. Step 4: Simplify right side
    21,782.38x = 343,400,408.94
  5. Step 5: Solve for x
    x = 343,400,408.94/21,782.38
  6. Step 6: Final answer
    x = 15,765.05

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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.