Home / 20,235.06-27,914.36-13,522.79

Finding the Fourth Proportional to 20,235.06, 27,914.36 and 13,522.79

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Solution

The fourth proportional to 20,235.06, 27,914.36 and 13,522.79 is: 18,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.06 : 27,914.36 = 13,522.79 : x
  2. Step 2: Convert to fraction form
    20,235.06/27,914.36 = 13,522.79/x
  3. Step 3: Cross multiply
    20,235.06x = 27,914.36 × 13,522.79
  4. Step 4: Simplify right side
    20,235.06x = 377,480,030.44
  5. Step 5: Solve for x
    x = 377,480,030.44/20,235.06
  6. Step 6: Final answer
    x = 18,654.75

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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.