Home / 28,899.26-43,344.96-7,840.66

Finding the Fourth Proportional to 28,899.26, 43,344.96 and 7,840.66

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Solution

The fourth proportional to 28,899.26, 43,344.96 and 7,840.66 is: 11,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.26 : 43,344.96 = 7,840.66 : x
  2. Step 2: Convert to fraction form
    28,899.26/43,344.96 = 7,840.66/x
  3. Step 3: Cross multiply
    28,899.26x = 43,344.96 × 7,840.66
  4. Step 4: Simplify right side
    28,899.26x = 339,853,094.07
  5. Step 5: Solve for x
    x = 339,853,094.07/28,899.26
  6. Step 6: Final answer
    x = 11,759.92

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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.