Home / 17,628.96-26,440.41-4,979.60

Finding the Fourth Proportional to 17,628.96, 26,440.41 and 4,979.60

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Solution

The fourth proportional to 17,628.96, 26,440.41 and 4,979.60 is: 7,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.96 : 26,440.41 = 4,979.60 : x
  2. Step 2: Convert to fraction form
    17,628.96/26,440.41 = 4,979.60/x
  3. Step 3: Cross multiply
    17,628.96x = 26,440.41 × 4,979.60
  4. Step 4: Simplify right side
    17,628.96x = 131,662,533.43
  5. Step 5: Solve for x
    x = 131,662,533.43/17,628.96
  6. Step 6: Final answer
    x = 7,468.54

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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.