Home / 28,617.56-39,490.62-16,682.84

Finding the Fourth Proportional to 28,617.56, 39,490.62 and 16,682.84

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Solution

The fourth proportional to 28,617.56, 39,490.62 and 16,682.84 is: 23,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.56 : 39,490.62 = 16,682.84 : x
  2. Step 2: Convert to fraction form
    28,617.56/39,490.62 = 16,682.84/x
  3. Step 3: Cross multiply
    28,617.56x = 39,490.62 × 16,682.84
  4. Step 4: Simplify right side
    28,617.56x = 658,815,694.96
  5. Step 5: Solve for x
    x = 658,815,694.96/28,617.56
  6. Step 6: Final answer
    x = 23,021.38

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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.