Home / 28,834.57-39,792.23-16,906.51

Finding the Fourth Proportional to 28,834.57, 39,792.23 and 16,906.51

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Solution

The fourth proportional to 28,834.57, 39,792.23 and 16,906.51 is: 23,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.57 : 39,792.23 = 16,906.51 : x
  2. Step 2: Convert to fraction form
    28,834.57/39,792.23 = 16,906.51/x
  3. Step 3: Cross multiply
    28,834.57x = 39,792.23 × 16,906.51
  4. Step 4: Simplify right side
    28,834.57x = 672,747,734.42
  5. Step 5: Solve for x
    x = 672,747,734.42/28,834.57
  6. Step 6: Final answer
    x = 23,331.29

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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.