Home / 28,707.26-43,037.66-8,975.66

Finding the Fourth Proportional to 28,707.26, 43,037.66 and 8,975.66

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Solution

The fourth proportional to 28,707.26, 43,037.66 and 8,975.66 is: 13,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.26 : 43,037.66 = 8,975.66 : x
  2. Step 2: Convert to fraction form
    28,707.26/43,037.66 = 8,975.66/x
  3. Step 3: Cross multiply
    28,707.26x = 43,037.66 × 8,975.66
  4. Step 4: Simplify right side
    28,707.26x = 386,291,358.48
  5. Step 5: Solve for x
    x = 386,291,358.48/28,707.26
  6. Step 6: Final answer
    x = 13,456.23

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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.