Home / 28,900.41-43,350.61-8,123.91

Finding the Fourth Proportional to 28,900.41, 43,350.61 and 8,123.91

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Solution

The fourth proportional to 28,900.41, 43,350.61 and 8,123.91 is: 12,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.41 : 43,350.61 = 8,123.91 : x
  2. Step 2: Convert to fraction form
    28,900.41/43,350.61 = 8,123.91/x
  3. Step 3: Cross multiply
    28,900.41x = 43,350.61 × 8,123.91
  4. Step 4: Simplify right side
    28,900.41x = 352,176,286.44
  5. Step 5: Solve for x
    x = 352,176,286.44/28,900.41
  6. Step 6: Final answer
    x = 12,185.86

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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.