Home / 28,709.81-39,616.82-16,608.35

Finding the Fourth Proportional to 28,709.81, 39,616.82 and 16,608.35

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Solution

The fourth proportional to 28,709.81, 39,616.82 and 16,608.35 is: 22,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.81 : 39,616.82 = 16,608.35 : x
  2. Step 2: Convert to fraction form
    28,709.81/39,616.82 = 16,608.35/x
  3. Step 3: Cross multiply
    28,709.81x = 39,616.82 × 16,608.35
  4. Step 4: Simplify right side
    28,709.81x = 657,970,012.45
  5. Step 5: Solve for x
    x = 657,970,012.45/28,709.81
  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.