Home / 27,942.20-41,915.28-10,412

Finding the Fourth Proportional to 27,942.20, 41,915.28 and 10,412

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Solution

The fourth proportional to 27,942.20, 41,915.28 and 10,412 is: 15,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.20 : 41,915.28 = 10,412 : x
  2. Step 2: Convert to fraction form
    27,942.20/41,915.28 = 10,412/x
  3. Step 3: Cross multiply
    27,942.20x = 41,915.28 × 10,412
  4. Step 4: Simplify right side
    27,942.20x = 436,421,895.36
  5. Step 5: Solve for x
    x = 436,421,895.36/27,942.20
  6. Step 6: Final answer
    x = 15,618.74

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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.