Home / 26,278.89-39,429.88-13,796.02

Finding the Fourth Proportional to 26,278.89, 39,429.88 and 13,796.02

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Solution

The fourth proportional to 26,278.89, 39,429.88 and 13,796.02 is: 20,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.89 : 39,429.88 = 13,796.02 : x
  2. Step 2: Convert to fraction form
    26,278.89/39,429.88 = 13,796.02/x
  3. Step 3: Cross multiply
    26,278.89x = 39,429.88 × 13,796.02
  4. Step 4: Simplify right side
    26,278.89x = 543,975,505.48
  5. Step 5: Solve for x
    x = 543,975,505.48/26,278.89
  6. Step 6: Final answer
    x = 20,700.09

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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.