Home / 28,723.95-39,640.59-16,794.27

Finding the Fourth Proportional to 28,723.95, 39,640.59 and 16,794.27

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Solution

The fourth proportional to 28,723.95, 39,640.59 and 16,794.27 is: 23,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.95 : 39,640.59 = 16,794.27 : x
  2. Step 2: Convert to fraction form
    28,723.95/39,640.59 = 16,794.27/x
  3. Step 3: Cross multiply
    28,723.95x = 39,640.59 × 16,794.27
  4. Step 4: Simplify right side
    28,723.95x = 665,734,771.42
  5. Step 5: Solve for x
    x = 665,734,771.42/28,723.95
  6. Step 6: Final answer
    x = 23,176.99

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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.