Home / 28,082.84-38,938.96-27,146.10

Finding the Fourth Proportional to 28,082.84, 38,938.96 and 27,146.10

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Solution

The fourth proportional to 28,082.84, 38,938.96 and 27,146.10 is: 37,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.84 : 38,938.96 = 27,146.10 : x
  2. Step 2: Convert to fraction form
    28,082.84/38,938.96 = 27,146.10/x
  3. Step 3: Cross multiply
    28,082.84x = 38,938.96 × 27,146.10
  4. Step 4: Simplify right side
    28,082.84x = 1,057,040,902.06
  5. Step 5: Solve for x
    x = 1,057,040,902.06/28,082.84
  6. Step 6: Final answer
    x = 37,640.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.