Home / 20,063.16-30,072.06-15,117.30

Finding the Fourth Proportional to 20,063.16, 30,072.06 and 15,117.30

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Solution

The fourth proportional to 20,063.16, 30,072.06 and 15,117.30 is: 22,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.16 : 30,072.06 = 15,117.30 : x
  2. Step 2: Convert to fraction form
    20,063.16/30,072.06 = 15,117.30/x
  3. Step 3: Cross multiply
    20,063.16x = 30,072.06 × 15,117.30
  4. Step 4: Simplify right side
    20,063.16x = 454,608,352.64
  5. Step 5: Solve for x
    x = 454,608,352.64/20,063.16
  6. Step 6: Final answer
    x = 22,658.86

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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.