Home / 28,756.41-43,136.43-9,035.73

Finding the Fourth Proportional to 28,756.41, 43,136.43 and 9,035.73

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Solution

The fourth proportional to 28,756.41, 43,136.43 and 9,035.73 is: 13,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.41 : 43,136.43 = 9,035.73 : x
  2. Step 2: Convert to fraction form
    28,756.41/43,136.43 = 9,035.73/x
  3. Step 3: Cross multiply
    28,756.41x = 43,136.43 × 9,035.73
  4. Step 4: Simplify right side
    28,756.41x = 389,769,134.64
  5. Step 5: Solve for x
    x = 389,769,134.64/28,756.41
  6. Step 6: Final answer
    x = 13,554.17

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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.