Home / 26,385.10-39,579.72-7,665.46

Finding the Fourth Proportional to 26,385.10, 39,579.72 and 7,665.46

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Solution

The fourth proportional to 26,385.10, 39,579.72 and 7,665.46 is: 11,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.10 : 39,579.72 = 7,665.46 : x
  2. Step 2: Convert to fraction form
    26,385.10/39,579.72 = 7,665.46/x
  3. Step 3: Cross multiply
    26,385.10x = 39,579.72 × 7,665.46
  4. Step 4: Simplify right side
    26,385.10x = 303,396,760.47
  5. Step 5: Solve for x
    x = 303,396,760.47/26,385.10
  6. Step 6: Final answer
    x = 11,498.79

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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.