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Finding the Fourth Proportional to 26,751.12, 36,883.02 and 17,174.13

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Solution

The fourth proportional to 26,751.12, 36,883.02 and 17,174.13 is: 23,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.12 : 36,883.02 = 17,174.13 : x
  2. Step 2: Convert to fraction form
    26,751.12/36,883.02 = 17,174.13/x
  3. Step 3: Cross multiply
    26,751.12x = 36,883.02 × 17,174.13
  4. Step 4: Simplify right side
    26,751.12x = 633,433,780.27
  5. Step 5: Solve for x
    x = 633,433,780.27/26,751.12
  6. Step 6: Final answer
    x = 23,678.78

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1.5x scale

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.