Home / 28,865.13-43,299.33-8,090.25

Finding the Fourth Proportional to 28,865.13, 43,299.33 and 8,090.25

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Solution

The fourth proportional to 28,865.13, 43,299.33 and 8,090.25 is: 12,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.13 : 43,299.33 = 8,090.25 : x
  2. Step 2: Convert to fraction form
    28,865.13/43,299.33 = 8,090.25/x
  3. Step 3: Cross multiply
    28,865.13x = 43,299.33 × 8,090.25
  4. Step 4: Simplify right side
    28,865.13x = 350,302,404.53
  5. Step 5: Solve for x
    x = 350,302,404.53/28,865.13
  6. Step 6: Final answer
    x = 12,135.83

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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.