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Finding the Fourth Proportional to 18,097.80, 27,146.70 and 17,441.70

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Solution

The fourth proportional to 18,097.80, 27,146.70 and 17,441.70 is: 26,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.80 : 27,146.70 = 17,441.70 : x
  2. Step 2: Convert to fraction form
    18,097.80/27,146.70 = 17,441.70/x
  3. Step 3: Cross multiply
    18,097.80x = 27,146.70 × 17,441.70
  4. Step 4: Simplify right side
    18,097.80x = 473,484,597.39
  5. Step 5: Solve for x
    x = 473,484,597.39/18,097.80
  6. Step 6: Final answer
    x = 26,162.55

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1.5x scale

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.