Home / 28,629.33-39,508.71-16,693.79

Finding the Fourth Proportional to 28,629.33, 39,508.71 and 16,693.79

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Solution

The fourth proportional to 28,629.33, 39,508.71 and 16,693.79 is: 23,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.33 : 39,508.71 = 16,693.79 : x
  2. Step 2: Convert to fraction form
    28,629.33/39,508.71 = 16,693.79/x
  3. Step 3: Cross multiply
    28,629.33x = 39,508.71 × 16,693.79
  4. Step 4: Simplify right side
    28,629.33x = 659,549,910.37
  5. Step 5: Solve for x
    x = 659,549,910.37/28,629.33
  6. Step 6: Final answer
    x = 23,037.56

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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.