Home / 17,690.80-26,528.52-5,375.92

Finding the Fourth Proportional to 17,690.80, 26,528.52 and 5,375.92

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Solution

The fourth proportional to 17,690.80, 26,528.52 and 5,375.92 is: 8,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.80 : 26,528.52 = 5,375.92 : x
  2. Step 2: Convert to fraction form
    17,690.80/26,528.52 = 5,375.92/x
  3. Step 3: Cross multiply
    17,690.80x = 26,528.52 × 5,375.92
  4. Step 4: Simplify right side
    17,690.80x = 142,615,201.24
  5. Step 5: Solve for x
    x = 142,615,201.24/17,690.80
  6. Step 6: Final answer
    x = 8,061.55

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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.