Home / 28,792.33-39,727.60-16,853.33

Finding the Fourth Proportional to 28,792.33, 39,727.60 and 16,853.33

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Solution

The fourth proportional to 28,792.33, 39,727.60 and 16,853.33 is: 23,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.33 : 39,727.60 = 16,853.33 : x
  2. Step 2: Convert to fraction form
    28,792.33/39,727.60 = 16,853.33/x
  3. Step 3: Cross multiply
    28,792.33x = 39,727.60 × 16,853.33
  4. Step 4: Simplify right side
    28,792.33x = 669,542,410.09
  5. Step 5: Solve for x
    x = 669,542,410.09/28,792.33
  6. Step 6: Final answer
    x = 23,254.20

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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.