Home / 27,082.28-37,385.70-15,905

Finding the Fourth Proportional to 27,082.28, 37,385.70 and 15,905

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Solution

The fourth proportional to 27,082.28, 37,385.70 and 15,905 is: 21,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.28 : 37,385.70 = 15,905 : x
  2. Step 2: Convert to fraction form
    27,082.28/37,385.70 = 15,905/x
  3. Step 3: Cross multiply
    27,082.28x = 37,385.70 × 15,905
  4. Step 4: Simplify right side
    27,082.28x = 594,619,558.50
  5. Step 5: Solve for x
    x = 594,619,558.50/27,082.28
  6. Step 6: Final answer
    x = 21,956.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.