Home / 43,728.30-65,578.99-28,734.62

Finding the Fourth Proportional to 43,728.30, 65,578.99 and 28,734.62

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Solution

The fourth proportional to 43,728.30, 65,578.99 and 28,734.62 is: 43,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.30 : 65,578.99 = 28,734.62 : x
  2. Step 2: Convert to fraction form
    43,728.30/65,578.99 = 28,734.62/x
  3. Step 3: Cross multiply
    43,728.30x = 65,578.99 × 28,734.62
  4. Step 4: Simplify right side
    43,728.30x = 1,884,387,140.01
  5. Step 5: Solve for x
    x = 1,884,387,140.01/43,728.30
  6. Step 6: Final answer
    x = 43,093.08

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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.