Home / 28,756.58-43,136.33-9,035.33

Finding the Fourth Proportional to 28,756.58, 43,136.33 and 9,035.33

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Solution

The fourth proportional to 28,756.58, 43,136.33 and 9,035.33 is: 13,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.58 : 43,136.33 = 9,035.33 : x
  2. Step 2: Convert to fraction form
    28,756.58/43,136.33 = 9,035.33/x
  3. Step 3: Cross multiply
    28,756.58x = 43,136.33 × 9,035.33
  4. Step 4: Simplify right side
    28,756.58x = 389,750,715.68
  5. Step 5: Solve for x
    x = 389,750,715.68/28,756.58
  6. Step 6: Final answer
    x = 13,553.45

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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.