Home / 34,644.28-47,809.14-18,728.73

Finding the Fourth Proportional to 34,644.28, 47,809.14 and 18,728.73

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Solution

The fourth proportional to 34,644.28, 47,809.14 and 18,728.73 is: 25,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.28 : 47,809.14 = 18,728.73 : x
  2. Step 2: Convert to fraction form
    34,644.28/47,809.14 = 18,728.73/x
  3. Step 3: Cross multiply
    34,644.28x = 47,809.14 × 18,728.73
  4. Step 4: Simplify right side
    34,644.28x = 895,404,474.59
  5. Step 5: Solve for x
    x = 895,404,474.59/34,644.28
  6. Step 6: Final answer
    x = 25,845.67

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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.