Home / 17,979.76-26,973.60-5,499.88

Finding the Fourth Proportional to 17,979.76, 26,973.60 and 5,499.88

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Solution

The fourth proportional to 17,979.76, 26,973.60 and 5,499.88 is: 8,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.76 : 26,973.60 = 5,499.88 : x
  2. Step 2: Convert to fraction form
    17,979.76/26,973.60 = 5,499.88/x
  3. Step 3: Cross multiply
    17,979.76x = 26,973.60 × 5,499.88
  4. Step 4: Simplify right side
    17,979.76x = 148,351,563.17
  5. Step 5: Solve for x
    x = 148,351,563.17/17,979.76
  6. Step 6: Final answer
    x = 8,251.03

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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.