Home / 26,990-37,245.12-15,053.24

Finding the Fourth Proportional to 26,990, 37,245.12 and 15,053.24

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Solution

The fourth proportional to 26,990, 37,245.12 and 15,053.24 is: 20,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990 : 37,245.12 = 15,053.24 : x
  2. Step 2: Convert to fraction form
    26,990/37,245.12 = 15,053.24/x
  3. Step 3: Cross multiply
    26,990x = 37,245.12 × 15,053.24
  4. Step 4: Simplify right side
    26,990x = 560,659,730.19
  5. Step 5: Solve for x
    x = 560,659,730.19/26,990
  6. Step 6: Final answer
    x = 20,772.87

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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.