Home / 16,977.78-25,469.46-5,288.64

Finding the Fourth Proportional to 16,977.78, 25,469.46 and 5,288.64

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Solution

The fourth proportional to 16,977.78, 25,469.46 and 5,288.64 is: 7,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.78 : 25,469.46 = 5,288.64 : x
  2. Step 2: Convert to fraction form
    16,977.78/25,469.46 = 5,288.64/x
  3. Step 3: Cross multiply
    16,977.78x = 25,469.46 × 5,288.64
  4. Step 4: Simplify right side
    16,977.78x = 134,698,804.93
  5. Step 5: Solve for x
    x = 134,698,804.93/16,977.78
  6. Step 6: Final answer
    x = 7,933.83

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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.