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Finding the Fourth Proportional to 17,082.76, 25,622.07 and 4,603.90

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Solution

The fourth proportional to 17,082.76, 25,622.07 and 4,603.90 is: 6,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,082.76 : 25,622.07 = 4,603.90 : x
  2. Step 2: Convert to fraction form
    17,082.76/25,622.07 = 4,603.90/x
  3. Step 3: Cross multiply
    17,082.76x = 25,622.07 × 4,603.90
  4. Step 4: Simplify right side
    17,082.76x = 117,961,448.07
  5. Step 5: Solve for x
    x = 117,961,448.07/17,082.76
  6. Step 6: Final answer
    x = 6,905.29

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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.