Home / 17,981.60-26,965.56-5,497.82

Finding the Fourth Proportional to 17,981.60, 26,965.56 and 5,497.82

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Solution

The fourth proportional to 17,981.60, 26,965.56 and 5,497.82 is: 8,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.60 : 26,965.56 = 5,497.82 : x
  2. Step 2: Convert to fraction form
    17,981.60/26,965.56 = 5,497.82/x
  3. Step 3: Cross multiply
    17,981.60x = 26,965.56 × 5,497.82
  4. Step 4: Simplify right side
    17,981.60x = 148,251,795.08
  5. Step 5: Solve for x
    x = 148,251,795.08/17,981.60
  6. Step 6: Final answer
    x = 8,244.64

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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.