Home / 26,650.88-39,976.52-9,120.86

Finding the Fourth Proportional to 26,650.88, 39,976.52 and 9,120.86

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Solution

The fourth proportional to 26,650.88, 39,976.52 and 9,120.86 is: 13,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.88 : 39,976.52 = 9,120.86 : x
  2. Step 2: Convert to fraction form
    26,650.88/39,976.52 = 9,120.86/x
  3. Step 3: Cross multiply
    26,650.88x = 39,976.52 × 9,120.86
  4. Step 4: Simplify right side
    26,650.88x = 364,619,996.72
  5. Step 5: Solve for x
    x = 364,619,996.72/26,650.88
  6. Step 6: Final answer
    x = 13,681.35

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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.