Home / 28,682.37-39,584.18-16,749.56

Finding the Fourth Proportional to 28,682.37, 39,584.18 and 16,749.56

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Solution

The fourth proportional to 28,682.37, 39,584.18 and 16,749.56 is: 23,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.37 : 39,584.18 = 16,749.56 : x
  2. Step 2: Convert to fraction form
    28,682.37/39,584.18 = 16,749.56/x
  3. Step 3: Cross multiply
    28,682.37x = 39,584.18 × 16,749.56
  4. Step 4: Simplify right side
    28,682.37x = 663,017,316.29
  5. Step 5: Solve for x
    x = 663,017,316.29/28,682.37
  6. Step 6: Final answer
    x = 23,115.85

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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.