Home / 21,022.41-31,528.24-6,227.87

Finding the Fourth Proportional to 21,022.41, 31,528.24 and 6,227.87

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Solution

The fourth proportional to 21,022.41, 31,528.24 and 6,227.87 is: 9,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.41 : 31,528.24 = 6,227.87 : x
  2. Step 2: Convert to fraction form
    21,022.41/31,528.24 = 6,227.87/x
  3. Step 3: Cross multiply
    21,022.41x = 31,528.24 × 6,227.87
  4. Step 4: Simplify right side
    21,022.41x = 196,353,780.05
  5. Step 5: Solve for x
    x = 196,353,780.05/21,022.41
  6. Step 6: Final answer
    x = 9,340.21

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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.