Home / 28,150.92-38,847.13-16,826.67

Finding the Fourth Proportional to 28,150.92, 38,847.13 and 16,826.67

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Solution

The fourth proportional to 28,150.92, 38,847.13 and 16,826.67 is: 23,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.92 : 38,847.13 = 16,826.67 : x
  2. Step 2: Convert to fraction form
    28,150.92/38,847.13 = 16,826.67/x
  3. Step 3: Cross multiply
    28,150.92x = 38,847.13 × 16,826.67
  4. Step 4: Simplify right side
    28,150.92x = 653,667,794.89
  5. Step 5: Solve for x
    x = 653,667,794.89/28,150.92
  6. Step 6: Final answer
    x = 23,220.12

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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.