Home / 28,932.09-43,387.30-9,951.36

Finding the Fourth Proportional to 28,932.09, 43,387.30 and 9,951.36

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Solution

The fourth proportional to 28,932.09, 43,387.30 and 9,951.36 is: 14,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.09 : 43,387.30 = 9,951.36 : x
  2. Step 2: Convert to fraction form
    28,932.09/43,387.30 = 9,951.36/x
  3. Step 3: Cross multiply
    28,932.09x = 43,387.30 × 9,951.36
  4. Step 4: Simplify right side
    28,932.09x = 431,762,435.49
  5. Step 5: Solve for x
    x = 431,762,435.49/28,932.09
  6. Step 6: Final answer
    x = 14,923.31

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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.