Home / 17,769.58-26,654.37-5,289.78

Finding the Fourth Proportional to 17,769.58, 26,654.37 and 5,289.78

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Solution

The fourth proportional to 17,769.58, 26,654.37 and 5,289.78 is: 7,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.58 : 26,654.37 = 5,289.78 : x
  2. Step 2: Convert to fraction form
    17,769.58/26,654.37 = 5,289.78/x
  3. Step 3: Cross multiply
    17,769.58x = 26,654.37 × 5,289.78
  4. Step 4: Simplify right side
    17,769.58x = 140,995,753.34
  5. Step 5: Solve for x
    x = 140,995,753.34/17,769.58
  6. Step 6: Final answer
    x = 7,934.67

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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.