Home / 26,388.56-39,579.18-6,665.90

Finding the Fourth Proportional to 26,388.56, 39,579.18 and 6,665.90

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Solution

The fourth proportional to 26,388.56, 39,579.18 and 6,665.90 is: 9,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.56 : 39,579.18 = 6,665.90 : x
  2. Step 2: Convert to fraction form
    26,388.56/39,579.18 = 6,665.90/x
  3. Step 3: Cross multiply
    26,388.56x = 39,579.18 × 6,665.90
  4. Step 4: Simplify right side
    26,388.56x = 263,830,855.96
  5. Step 5: Solve for x
    x = 263,830,855.96/26,388.56
  6. Step 6: Final answer
    x = 9,997.93

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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.