Home / 20,063.79-27,674.28-13,765.23

Finding the Fourth Proportional to 20,063.79, 27,674.28 and 13,765.23

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Solution

The fourth proportional to 20,063.79, 27,674.28 and 13,765.23 is: 18,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.79 : 27,674.28 = 13,765.23 : x
  2. Step 2: Convert to fraction form
    20,063.79/27,674.28 = 13,765.23/x
  3. Step 3: Cross multiply
    20,063.79x = 27,674.28 × 13,765.23
  4. Step 4: Simplify right side
    20,063.79x = 380,942,829.28
  5. Step 5: Solve for x
    x = 380,942,829.28/20,063.79
  6. Step 6: Final answer
    x = 18,986.58

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