Home / 28,326.91-42,453.94-11,698.62

Finding the Fourth Proportional to 28,326.91, 42,453.94 and 11,698.62

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Solution

The fourth proportional to 28,326.91, 42,453.94 and 11,698.62 is: 17,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.91 : 42,453.94 = 11,698.62 : x
  2. Step 2: Convert to fraction form
    28,326.91/42,453.94 = 11,698.62/x
  3. Step 3: Cross multiply
    28,326.91x = 42,453.94 × 11,698.62
  4. Step 4: Simplify right side
    28,326.91x = 496,652,240.80
  5. Step 5: Solve for x
    x = 496,652,240.80/28,326.91
  6. Step 6: Final answer
    x = 17,532.88

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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.