Home / 21,082.14-31,625.01-5,499.75

Finding the Fourth Proportional to 21,082.14, 31,625.01 and 5,499.75

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Solution

The fourth proportional to 21,082.14, 31,625.01 and 5,499.75 is: 8,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.14 : 31,625.01 = 5,499.75 : x
  2. Step 2: Convert to fraction form
    21,082.14/31,625.01 = 5,499.75/x
  3. Step 3: Cross multiply
    21,082.14x = 31,625.01 × 5,499.75
  4. Step 4: Simplify right side
    21,082.14x = 173,929,648.75
  5. Step 5: Solve for x
    x = 173,929,648.75/21,082.14
  6. Step 6: Final answer
    x = 8,250.09

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1.5x scale

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.