Home / 21,082.38-31,652.73-10,701.42

Finding the Fourth Proportional to 21,082.38, 31,652.73 and 10,701.42

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Solution

The fourth proportional to 21,082.38, 31,652.73 and 10,701.42 is: 16,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.38 : 31,652.73 = 10,701.42 : x
  2. Step 2: Convert to fraction form
    21,082.38/31,652.73 = 10,701.42/x
  3. Step 3: Cross multiply
    21,082.38x = 31,652.73 × 10,701.42
  4. Step 4: Simplify right side
    21,082.38x = 338,729,157.88
  5. Step 5: Solve for x
    x = 338,729,157.88/21,082.38
  6. Step 6: Final answer
    x = 16,066.93

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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.