Home / 43,908.76-65,721.71-28,928.24

Finding the Fourth Proportional to 43,908.76, 65,721.71 and 28,928.24

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Solution

The fourth proportional to 43,908.76, 65,721.71 and 28,928.24 is: 43,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.76 : 65,721.71 = 28,928.24 : x
  2. Step 2: Convert to fraction form
    43,908.76/65,721.71 = 28,928.24/x
  3. Step 3: Cross multiply
    43,908.76x = 65,721.71 × 28,928.24
  4. Step 4: Simplify right side
    43,908.76x = 1,901,213,629.72
  5. Step 5: Solve for x
    x = 1,901,213,629.72/43,908.76
  6. Step 6: Final answer
    x = 43,299.19

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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.