Home / 28,732.38-43,090.39-12,096.19

Finding the Fourth Proportional to 28,732.38, 43,090.39 and 12,096.19

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Solution

The fourth proportional to 28,732.38, 43,090.39 and 12,096.19 is: 18,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.38 : 43,090.39 = 12,096.19 : x
  2. Step 2: Convert to fraction form
    28,732.38/43,090.39 = 12,096.19/x
  3. Step 3: Cross multiply
    28,732.38x = 43,090.39 × 12,096.19
  4. Step 4: Simplify right side
    28,732.38x = 521,229,544.61
  5. Step 5: Solve for x
    x = 521,229,544.61/28,732.38
  6. Step 6: Final answer
    x = 18,140.84

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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.