Home / 23,186.88-31,974.60-20,626.68

Finding the Fourth Proportional to 23,186.88, 31,974.60 and 20,626.68

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Solution

The fourth proportional to 23,186.88, 31,974.60 and 20,626.68 is: 28,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.88 : 31,974.60 = 20,626.68 : x
  2. Step 2: Convert to fraction form
    23,186.88/31,974.60 = 20,626.68/x
  3. Step 3: Cross multiply
    23,186.88x = 31,974.60 × 20,626.68
  4. Step 4: Simplify right side
    23,186.88x = 659,529,842.33
  5. Step 5: Solve for x
    x = 659,529,842.33/23,186.88
  6. Step 6: Final answer
    x = 28,444.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.