Home / 17,947.01-26,918.46-4,800.40

Finding the Fourth Proportional to 17,947.01, 26,918.46 and 4,800.40

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Solution

The fourth proportional to 17,947.01, 26,918.46 and 4,800.40 is: 7,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.01 : 26,918.46 = 4,800.40 : x
  2. Step 2: Convert to fraction form
    17,947.01/26,918.46 = 4,800.40/x
  3. Step 3: Cross multiply
    17,947.01x = 26,918.46 × 4,800.40
  4. Step 4: Simplify right side
    17,947.01x = 129,219,375.38
  5. Step 5: Solve for x
    x = 129,219,375.38/17,947.01
  6. Step 6: Final answer
    x = 7,200.05

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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.