Home / 28,074.24-42,112.08-8,352.97

Finding the Fourth Proportional to 28,074.24, 42,112.08 and 8,352.97

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Solution

The fourth proportional to 28,074.24, 42,112.08 and 8,352.97 is: 12,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.24 : 42,112.08 = 8,352.97 : x
  2. Step 2: Convert to fraction form
    28,074.24/42,112.08 = 8,352.97/x
  3. Step 3: Cross multiply
    28,074.24x = 42,112.08 × 8,352.97
  4. Step 4: Simplify right side
    28,074.24x = 351,760,835.60
  5. Step 5: Solve for x
    x = 351,760,835.60/28,074.24
  6. Step 6: Final answer
    x = 12,529.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.