Home / 28,515.92-42,744.18-10,734.39

Finding the Fourth Proportional to 28,515.92, 42,744.18 and 10,734.39

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Solution

The fourth proportional to 28,515.92, 42,744.18 and 10,734.39 is: 16,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515.92 : 42,744.18 = 10,734.39 : x
  2. Step 2: Convert to fraction form
    28,515.92/42,744.18 = 10,734.39/x
  3. Step 3: Cross multiply
    28,515.92x = 42,744.18 × 10,734.39
  4. Step 4: Simplify right side
    28,515.92x = 458,832,738.60
  5. Step 5: Solve for x
    x = 458,832,738.60/28,515.92
  6. Step 6: Final answer
    x = 16,090.41

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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.