Home / 20,265.46-27,975.45-11,882.50

Finding the Fourth Proportional to 20,265.46, 27,975.45 and 11,882.50

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Solution

The fourth proportional to 20,265.46, 27,975.45 and 11,882.50 is: 16,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.46 : 27,975.45 = 11,882.50 : x
  2. Step 2: Convert to fraction form
    20,265.46/27,975.45 = 11,882.50/x
  3. Step 3: Cross multiply
    20,265.46x = 27,975.45 × 11,882.50
  4. Step 4: Simplify right side
    20,265.46x = 332,418,284.63
  5. Step 5: Solve for x
    x = 332,418,284.63/20,265.46
  6. Step 6: Final answer
    x = 16,403.19

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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.