Home / 28,659.54-39,550.05-16,723.38

Finding the Fourth Proportional to 28,659.54, 39,550.05 and 16,723.38

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Solution

The fourth proportional to 28,659.54, 39,550.05 and 16,723.38 is: 23,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.54 : 39,550.05 = 16,723.38 : x
  2. Step 2: Convert to fraction form
    28,659.54/39,550.05 = 16,723.38/x
  3. Step 3: Cross multiply
    28,659.54x = 39,550.05 × 16,723.38
  4. Step 4: Simplify right side
    28,659.54x = 661,410,515.17
  5. Step 5: Solve for x
    x = 661,410,515.17/28,659.54
  6. Step 6: Final answer
    x = 23,078.20

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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.