Home / 43,509.62-60,021.92-28,395.29

Finding the Fourth Proportional to 43,509.62, 60,021.92 and 28,395.29

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Solution

The fourth proportional to 43,509.62, 60,021.92 and 28,395.29 is: 39,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.62 : 60,021.92 = 28,395.29 : x
  2. Step 2: Convert to fraction form
    43,509.62/60,021.92 = 28,395.29/x
  3. Step 3: Cross multiply
    43,509.62x = 60,021.92 × 28,395.29
  4. Step 4: Simplify right side
    43,509.62x = 1,704,339,382.67
  5. Step 5: Solve for x
    x = 1,704,339,382.67/43,509.62
  6. Step 6: Final answer
    x = 39,171.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.