Home / 43,627.87-65,356.12-28,791.51

Finding the Fourth Proportional to 43,627.87, 65,356.12 and 28,791.51

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Solution

The fourth proportional to 43,627.87, 65,356.12 and 28,791.51 is: 43,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,627.87 : 65,356.12 = 28,791.51 : x
  2. Step 2: Convert to fraction form
    43,627.87/65,356.12 = 28,791.51/x
  3. Step 3: Cross multiply
    43,627.87x = 65,356.12 × 28,791.51
  4. Step 4: Simplify right side
    43,627.87x = 1,881,701,382.54
  5. Step 5: Solve for x
    x = 1,881,701,382.54/43,627.87
  6. Step 6: Final answer
    x = 43,130.72

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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.