Home / 28,867.29-43,303.70-8,090.73

Finding the Fourth Proportional to 28,867.29, 43,303.70 and 8,090.73

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Solution

The fourth proportional to 28,867.29, 43,303.70 and 8,090.73 is: 12,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.29 : 43,303.70 = 8,090.73 : x
  2. Step 2: Convert to fraction form
    28,867.29/43,303.70 = 8,090.73/x
  3. Step 3: Cross multiply
    28,867.29x = 43,303.70 × 8,090.73
  4. Step 4: Simplify right side
    28,867.29x = 350,358,504.25
  5. Step 5: Solve for x
    x = 350,358,504.25/28,867.29
  6. Step 6: Final answer
    x = 12,136.87

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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.