Home / 21,390.24-32,082.12-7,536

Finding the Fourth Proportional to 21,390.24, 32,082.12 and 7,536

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Solution

The fourth proportional to 21,390.24, 32,082.12 and 7,536 is: 11,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.24 : 32,082.12 = 7,536 : x
  2. Step 2: Convert to fraction form
    21,390.24/32,082.12 = 7,536/x
  3. Step 3: Cross multiply
    21,390.24x = 32,082.12 × 7,536
  4. Step 4: Simplify right side
    21,390.24x = 241,770,856.32
  5. Step 5: Solve for x
    x = 241,770,856.32/21,390.24
  6. Step 6: Final answer
    x = 11,302.86

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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.