Home / 22,076.22-33,120.84-8,938.02

Finding the Fourth Proportional to 22,076.22, 33,120.84 and 8,938.02

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Solution

The fourth proportional to 22,076.22, 33,120.84 and 8,938.02 is: 13,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.22 : 33,120.84 = 8,938.02 : x
  2. Step 2: Convert to fraction form
    22,076.22/33,120.84 = 8,938.02/x
  3. Step 3: Cross multiply
    22,076.22x = 33,120.84 × 8,938.02
  4. Step 4: Simplify right side
    22,076.22x = 296,034,730.34
  5. Step 5: Solve for x
    x = 296,034,730.34/22,076.22
  6. Step 6: Final answer
    x = 13,409.67

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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.