Home / 26,464.37-39,698.87-8,689.73

Finding the Fourth Proportional to 26,464.37, 39,698.87 and 8,689.73

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Solution

The fourth proportional to 26,464.37, 39,698.87 and 8,689.73 is: 13,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464.37 : 39,698.87 = 8,689.73 : x
  2. Step 2: Convert to fraction form
    26,464.37/39,698.87 = 8,689.73/x
  3. Step 3: Cross multiply
    26,464.37x = 39,698.87 × 8,689.73
  4. Step 4: Simplify right side
    26,464.37x = 344,972,219.66
  5. Step 5: Solve for x
    x = 344,972,219.66/26,464.37
  6. Step 6: Final answer
    x = 13,035.35

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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.