Home / 19,835.14-27,351.12-15,063.88

Finding the Fourth Proportional to 19,835.14, 27,351.12 and 15,063.88

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Solution

The fourth proportional to 19,835.14, 27,351.12 and 15,063.88 is: 20,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.14 : 27,351.12 = 15,063.88 : x
  2. Step 2: Convert to fraction form
    19,835.14/27,351.12 = 15,063.88/x
  3. Step 3: Cross multiply
    19,835.14x = 27,351.12 × 15,063.88
  4. Step 4: Simplify right side
    19,835.14x = 412,013,989.55
  5. Step 5: Solve for x
    x = 412,013,989.55/19,835.14
  6. Step 6: Final answer
    x = 20,771.92

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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.