Home / 28,552.85-39,410.85-16,618.49

Finding the Fourth Proportional to 28,552.85, 39,410.85 and 16,618.49

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Solution

The fourth proportional to 28,552.85, 39,410.85 and 16,618.49 is: 22,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.85 : 39,410.85 = 16,618.49 : x
  2. Step 2: Convert to fraction form
    28,552.85/39,410.85 = 16,618.49/x
  3. Step 3: Cross multiply
    28,552.85x = 39,410.85 × 16,618.49
  4. Step 4: Simplify right side
    28,552.85x = 654,948,816.62
  5. Step 5: Solve for x
    x = 654,948,816.62/28,552.85
  6. Step 6: Final answer
    x = 22,938.12

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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.