Home / 27,173.22-40,699.61-20,886.96

Finding the Fourth Proportional to 27,173.22, 40,699.61 and 20,886.96

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Solution

The fourth proportional to 27,173.22, 40,699.61 and 20,886.96 is: 31,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.22 : 40,699.61 = 20,886.96 : x
  2. Step 2: Convert to fraction form
    27,173.22/40,699.61 = 20,886.96/x
  3. Step 3: Cross multiply
    27,173.22x = 40,699.61 × 20,886.96
  4. Step 4: Simplify right side
    27,173.22x = 850,091,021.65
  5. Step 5: Solve for x
    x = 850,091,021.65/27,173.22
  6. Step 6: Final answer
    x = 31,284.15

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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.