Home / 17,947.15-26,979.05-17,859.67

Finding the Fourth Proportional to 17,947.15, 26,979.05 and 17,859.67

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Solution

The fourth proportional to 17,947.15, 26,979.05 and 17,859.67 is: 26,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.15 : 26,979.05 = 17,859.67 : x
  2. Step 2: Convert to fraction form
    17,947.15/26,979.05 = 17,859.67/x
  3. Step 3: Cross multiply
    17,947.15x = 26,979.05 × 17,859.67
  4. Step 4: Simplify right side
    17,947.15x = 481,836,840.62
  5. Step 5: Solve for x
    x = 481,836,840.62/17,947.15
  6. Step 6: Final answer
    x = 26,847.54

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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.