Home / 28,756.82-43,135.56-9,035.34

Finding the Fourth Proportional to 28,756.82, 43,135.56 and 9,035.34

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Solution

The fourth proportional to 28,756.82, 43,135.56 and 9,035.34 is: 13,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.82 : 43,135.56 = 9,035.34 : x
  2. Step 2: Convert to fraction form
    28,756.82/43,135.56 = 9,035.34/x
  3. Step 3: Cross multiply
    28,756.82x = 43,135.56 × 9,035.34
  4. Step 4: Simplify right side
    28,756.82x = 389,744,450.69
  5. Step 5: Solve for x
    x = 389,744,450.69/28,756.82
  6. Step 6: Final answer
    x = 13,553.12

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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.