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Finding the Fourth Proportional to 26,295.36, 39,443.04 and 8,764.08

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Solution

The fourth proportional to 26,295.36, 39,443.04 and 8,764.08 is: 13,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,295.36 : 39,443.04 = 8,764.08 : x
  2. Step 2: Convert to fraction form
    26,295.36/39,443.04 = 8,764.08/x
  3. Step 3: Cross multiply
    26,295.36x = 39,443.04 × 8,764.08
  4. Step 4: Simplify right side
    26,295.36x = 345,681,958.00
  5. Step 5: Solve for x
    x = 345,681,958.00/26,295.36
  6. Step 6: Final answer
    x = 13,146.12

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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.