Home / 25,170.45-34,715.54-15,604.99

Finding the Fourth Proportional to 25,170.45, 34,715.54 and 15,604.99

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Solution

The fourth proportional to 25,170.45, 34,715.54 and 15,604.99 is: 21,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.45 : 34,715.54 = 15,604.99 : x
  2. Step 2: Convert to fraction form
    25,170.45/34,715.54 = 15,604.99/x
  3. Step 3: Cross multiply
    25,170.45x = 34,715.54 × 15,604.99
  4. Step 4: Simplify right side
    25,170.45x = 541,735,654.54
  5. Step 5: Solve for x
    x = 541,735,654.54/25,170.45
  6. Step 6: Final answer
    x = 21,522.68

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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.