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Finding the Fourth Proportional to 26,165.25, 36,119.07 and 17,678.88

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Solution

The fourth proportional to 26,165.25, 36,119.07 and 17,678.88 is: 24,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.25 : 36,119.07 = 17,678.88 : x
  2. Step 2: Convert to fraction form
    26,165.25/36,119.07 = 17,678.88/x
  3. Step 3: Cross multiply
    26,165.25x = 36,119.07 × 17,678.88
  4. Step 4: Simplify right side
    26,165.25x = 638,544,704.24
  5. Step 5: Solve for x
    x = 638,544,704.24/26,165.25
  6. Step 6: Final answer
    x = 24,404.30

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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.