Home / 21,048.22-31,576.62-8,568.14

Finding the Fourth Proportional to 21,048.22, 31,576.62 and 8,568.14

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Solution

The fourth proportional to 21,048.22, 31,576.62 and 8,568.14 is: 12,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.22 : 31,576.62 = 8,568.14 : x
  2. Step 2: Convert to fraction form
    21,048.22/31,576.62 = 8,568.14/x
  3. Step 3: Cross multiply
    21,048.22x = 31,576.62 × 8,568.14
  4. Step 4: Simplify right side
    21,048.22x = 270,552,900.89
  5. Step 5: Solve for x
    x = 270,552,900.89/21,048.22
  6. Step 6: Final answer
    x = 12,853.96

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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.