Home / 28,961.10-43,441.20-9,239.52

Finding the Fourth Proportional to 28,961.10, 43,441.20 and 9,239.52

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Solution

The fourth proportional to 28,961.10, 43,441.20 and 9,239.52 is: 13,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.10 : 43,441.20 = 9,239.52 : x
  2. Step 2: Convert to fraction form
    28,961.10/43,441.20 = 9,239.52/x
  3. Step 3: Cross multiply
    28,961.10x = 43,441.20 × 9,239.52
  4. Step 4: Simplify right side
    28,961.10x = 401,375,836.22
  5. Step 5: Solve for x
    x = 401,375,836.22/28,961.10
  6. Step 6: Final answer
    x = 13,859.14

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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.