Home / 28,818.28-43,234.71-8,041.78

Finding the Fourth Proportional to 28,818.28, 43,234.71 and 8,041.78

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Solution

The fourth proportional to 28,818.28, 43,234.71 and 8,041.78 is: 12,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.28 : 43,234.71 = 8,041.78 : x
  2. Step 2: Convert to fraction form
    28,818.28/43,234.71 = 8,041.78/x
  3. Step 3: Cross multiply
    28,818.28x = 43,234.71 × 8,041.78
  4. Step 4: Simplify right side
    28,818.28x = 347,684,095.31
  5. Step 5: Solve for x
    x = 347,684,095.31/28,818.28
  6. Step 6: Final answer
    x = 12,064.71

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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.