Home / 28,735.02-43,103.25-7,958.70

Finding the Fourth Proportional to 28,735.02, 43,103.25 and 7,958.70

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Solution

The fourth proportional to 28,735.02, 43,103.25 and 7,958.70 is: 11,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.02 : 43,103.25 = 7,958.70 : x
  2. Step 2: Convert to fraction form
    28,735.02/43,103.25 = 7,958.70/x
  3. Step 3: Cross multiply
    28,735.02x = 43,103.25 × 7,958.70
  4. Step 4: Simplify right side
    28,735.02x = 343,045,835.78
  5. Step 5: Solve for x
    x = 343,045,835.78/28,735.02
  6. Step 6: Final answer
    x = 11,938.25

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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.