Home / 28,953.35-43,437.09-9,231.91

Finding the Fourth Proportional to 28,953.35, 43,437.09 and 9,231.91

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Solution

The fourth proportional to 28,953.35, 43,437.09 and 9,231.91 is: 13,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.35 : 43,437.09 = 9,231.91 : x
  2. Step 2: Convert to fraction form
    28,953.35/43,437.09 = 9,231.91/x
  3. Step 3: Cross multiply
    28,953.35x = 43,437.09 × 9,231.91
  4. Step 4: Simplify right side
    28,953.35x = 401,007,231.57
  5. Step 5: Solve for x
    x = 401,007,231.57/28,953.35
  6. Step 6: Final answer
    x = 13,850.12

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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.