Home / 26,719.87-36,872.07-14,620.09

Finding the Fourth Proportional to 26,719.87, 36,872.07 and 14,620.09

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Solution

The fourth proportional to 26,719.87, 36,872.07 and 14,620.09 is: 20,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.87 : 36,872.07 = 14,620.09 : x
  2. Step 2: Convert to fraction form
    26,719.87/36,872.07 = 14,620.09/x
  3. Step 3: Cross multiply
    26,719.87x = 36,872.07 × 14,620.09
  4. Step 4: Simplify right side
    26,719.87x = 539,072,816.61
  5. Step 5: Solve for x
    x = 539,072,816.61/26,719.87
  6. Step 6: Final answer
    x = 20,174.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.