Home / 17,947.18-26,918.87-4,800.88

Finding the Fourth Proportional to 17,947.18, 26,918.87 and 4,800.88

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Solution

The fourth proportional to 17,947.18, 26,918.87 and 4,800.88 is: 7,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.18 : 26,918.87 = 4,800.88 : x
  2. Step 2: Convert to fraction form
    17,947.18/26,918.87 = 4,800.88/x
  3. Step 3: Cross multiply
    17,947.18x = 26,918.87 × 4,800.88
  4. Step 4: Simplify right side
    17,947.18x = 129,234,209.31
  5. Step 5: Solve for x
    x = 129,234,209.31/17,947.18
  6. Step 6: Final answer
    x = 7,200.81

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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.