Home / 28,899.36-43,350.72-8,124.48

Finding the Fourth Proportional to 28,899.36, 43,350.72 and 8,124.48

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Solution

The fourth proportional to 28,899.36, 43,350.72 and 8,124.48 is: 12,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.36 : 43,350.72 = 8,124.48 : x
  2. Step 2: Convert to fraction form
    28,899.36/43,350.72 = 8,124.48/x
  3. Step 3: Cross multiply
    28,899.36x = 43,350.72 × 8,124.48
  4. Step 4: Simplify right side
    28,899.36x = 352,202,057.63
  5. Step 5: Solve for x
    x = 352,202,057.63/28,899.36
  6. Step 6: Final answer
    x = 12,187.19

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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.