Home / 28,891.26-43,350.63-20,020.24

Finding the Fourth Proportional to 28,891.26, 43,350.63 and 20,020.24

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Solution

The fourth proportional to 28,891.26, 43,350.63 and 20,020.24 is: 30,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.26 : 43,350.63 = 20,020.24 : x
  2. Step 2: Convert to fraction form
    28,891.26/43,350.63 = 20,020.24/x
  3. Step 3: Cross multiply
    28,891.26x = 43,350.63 × 20,020.24
  4. Step 4: Simplify right side
    28,891.26x = 867,889,995.86
  5. Step 5: Solve for x
    x = 867,889,995.86/28,891.26
  6. Step 6: Final answer
    x = 30,039.88

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1.5x scale

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.