Home / 28,542.66-39,402.09-16,601.64

Finding the Fourth Proportional to 28,542.66, 39,402.09 and 16,601.64

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Solution

The fourth proportional to 28,542.66, 39,402.09 and 16,601.64 is: 22,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.66 : 39,402.09 = 16,601.64 : x
  2. Step 2: Convert to fraction form
    28,542.66/39,402.09 = 16,601.64/x
  3. Step 3: Cross multiply
    28,542.66x = 39,402.09 × 16,601.64
  4. Step 4: Simplify right side
    28,542.66x = 654,139,313.43
  5. Step 5: Solve for x
    x = 654,139,313.43/28,542.66
  6. Step 6: Final answer
    x = 22,917.95

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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.