Home / 21,034.27-31,544.58-6,990.52

Finding the Fourth Proportional to 21,034.27, 31,544.58 and 6,990.52

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Solution

The fourth proportional to 21,034.27, 31,544.58 and 6,990.52 is: 10,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.27 : 31,544.58 = 6,990.52 : x
  2. Step 2: Convert to fraction form
    21,034.27/31,544.58 = 6,990.52/x
  3. Step 3: Cross multiply
    21,034.27x = 31,544.58 × 6,990.52
  4. Step 4: Simplify right side
    21,034.27x = 220,512,982.43
  5. Step 5: Solve for x
    x = 220,512,982.43/21,034.27
  6. Step 6: Final answer
    x = 10,483.51

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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.