Home / 28,723.92-39,636.42-15,976.52

Finding the Fourth Proportional to 28,723.92, 39,636.42 and 15,976.52

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Solution

The fourth proportional to 28,723.92, 39,636.42 and 15,976.52 is: 22,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.92 : 39,636.42 = 15,976.52 : x
  2. Step 2: Convert to fraction form
    28,723.92/39,636.42 = 15,976.52/x
  3. Step 3: Cross multiply
    28,723.92x = 39,636.42 × 15,976.52
  4. Step 4: Simplify right side
    28,723.92x = 633,252,056.86
  5. Step 5: Solve for x
    x = 633,252,056.86/28,723.92
  6. Step 6: Final answer
    x = 22,046.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.