Home / 19,942.14-27,520.48-10,989.52

Finding the Fourth Proportional to 19,942.14, 27,520.48 and 10,989.52

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Solution

The fourth proportional to 19,942.14, 27,520.48 and 10,989.52 is: 15,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.14 : 27,520.48 = 10,989.52 : x
  2. Step 2: Convert to fraction form
    19,942.14/27,520.48 = 10,989.52/x
  3. Step 3: Cross multiply
    19,942.14x = 27,520.48 × 10,989.52
  4. Step 4: Simplify right side
    19,942.14x = 302,436,865.37
  5. Step 5: Solve for x
    x = 302,436,865.37/19,942.14
  6. Step 6: Final answer
    x = 15,165.72

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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.