Home / 28,832.91-39,792.51-16,906.29

Finding the Fourth Proportional to 28,832.91, 39,792.51 and 16,906.29

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Solution

The fourth proportional to 28,832.91, 39,792.51 and 16,906.29 is: 23,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.91 : 39,792.51 = 16,906.29 : x
  2. Step 2: Convert to fraction form
    28,832.91/39,792.51 = 16,906.29/x
  3. Step 3: Cross multiply
    28,832.91x = 39,792.51 × 16,906.29
  4. Step 4: Simplify right side
    28,832.91x = 672,743,713.89
  5. Step 5: Solve for x
    x = 672,743,713.89/28,832.91
  6. Step 6: Final answer
    x = 23,332.49

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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.