Home / 28,757.43-43,135.20-9,035.55

Finding the Fourth Proportional to 28,757.43, 43,135.20 and 9,035.55

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Solution

The fourth proportional to 28,757.43, 43,135.20 and 9,035.55 is: 13,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.43 : 43,135.20 = 9,035.55 : x
  2. Step 2: Convert to fraction form
    28,757.43/43,135.20 = 9,035.55/x
  3. Step 3: Cross multiply
    28,757.43x = 43,135.20 × 9,035.55
  4. Step 4: Simplify right side
    28,757.43x = 389,750,256.36
  5. Step 5: Solve for x
    x = 389,750,256.36/28,757.43
  6. Step 6: Final answer
    x = 13,553.03

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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.