Home / 21,383.97-32,082.41-15,156.01

Finding the Fourth Proportional to 21,383.97, 32,082.41 and 15,156.01

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Solution

The fourth proportional to 21,383.97, 32,082.41 and 15,156.01 is: 22,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.97 : 32,082.41 = 15,156.01 : x
  2. Step 2: Convert to fraction form
    21,383.97/32,082.41 = 15,156.01/x
  3. Step 3: Cross multiply
    21,383.97x = 32,082.41 × 15,156.01
  4. Step 4: Simplify right side
    21,383.97x = 486,241,326.78
  5. Step 5: Solve for x
    x = 486,241,326.78/21,383.97
  6. Step 6: Final answer
    x = 22,738.59

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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.