Home / 28,780.64-43,174.62-8,004.16

Finding the Fourth Proportional to 28,780.64, 43,174.62 and 8,004.16

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Solution

The fourth proportional to 28,780.64, 43,174.62 and 8,004.16 is: 12,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.64 : 43,174.62 = 8,004.16 : x
  2. Step 2: Convert to fraction form
    28,780.64/43,174.62 = 8,004.16/x
  3. Step 3: Cross multiply
    28,780.64x = 43,174.62 × 8,004.16
  4. Step 4: Simplify right side
    28,780.64x = 345,576,566.42
  5. Step 5: Solve for x
    x = 345,576,566.42/28,780.64
  6. Step 6: Final answer
    x = 12,007.26

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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.