Home / 28,889.70-43,335.77-9,167.82

Finding the Fourth Proportional to 28,889.70, 43,335.77 and 9,167.82

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Solution

The fourth proportional to 28,889.70, 43,335.77 and 9,167.82 is: 13,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.70 : 43,335.77 = 9,167.82 : x
  2. Step 2: Convert to fraction form
    28,889.70/43,335.77 = 9,167.82/x
  3. Step 3: Cross multiply
    28,889.70x = 43,335.77 × 9,167.82
  4. Step 4: Simplify right side
    28,889.70x = 397,294,493.08
  5. Step 5: Solve for x
    x = 397,294,493.08/28,889.70
  6. Step 6: Final answer
    x = 13,752.12

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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.