Home / 25,977.78-38,981.25-10,396.62

Finding the Fourth Proportional to 25,977.78, 38,981.25 and 10,396.62

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Solution

The fourth proportional to 25,977.78, 38,981.25 and 10,396.62 is: 15,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,977.78 : 38,981.25 = 10,396.62 : x
  2. Step 2: Convert to fraction form
    25,977.78/38,981.25 = 10,396.62/x
  3. Step 3: Cross multiply
    25,977.78x = 38,981.25 × 10,396.62
  4. Step 4: Simplify right side
    25,977.78x = 405,273,243.38
  5. Step 5: Solve for x
    x = 405,273,243.38/25,977.78
  6. Step 6: Final answer
    x = 15,600.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.