Home / 28,757.36-39,684.88-16,181.84

Finding the Fourth Proportional to 28,757.36, 39,684.88 and 16,181.84

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Solution

The fourth proportional to 28,757.36, 39,684.88 and 16,181.84 is: 22,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.36 : 39,684.88 = 16,181.84 : x
  2. Step 2: Convert to fraction form
    28,757.36/39,684.88 = 16,181.84/x
  3. Step 3: Cross multiply
    28,757.36x = 39,684.88 × 16,181.84
  4. Step 4: Simplify right side
    28,757.36x = 642,174,378.58
  5. Step 5: Solve for x
    x = 642,174,378.58/28,757.36
  6. Step 6: Final answer
    x = 22,330.78

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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.