Home / 18,222.45-27,291.32-17,591.09

Finding the Fourth Proportional to 18,222.45, 27,291.32 and 17,591.09

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Solution

The fourth proportional to 18,222.45, 27,291.32 and 17,591.09 is: 26,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.45 : 27,291.32 = 17,591.09 : x
  2. Step 2: Convert to fraction form
    18,222.45/27,291.32 = 17,591.09/x
  3. Step 3: Cross multiply
    18,222.45x = 27,291.32 × 17,591.09
  4. Step 4: Simplify right side
    18,222.45x = 480,084,066.34
  5. Step 5: Solve for x
    x = 480,084,066.34/18,222.45
  6. Step 6: Final answer
    x = 26,345.75

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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.