Home / 27,968.40-41,959.91-10,438.38

Finding the Fourth Proportional to 27,968.40, 41,959.91 and 10,438.38

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Solution

The fourth proportional to 27,968.40, 41,959.91 and 10,438.38 is: 15,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.40 : 41,959.91 = 10,438.38 : x
  2. Step 2: Convert to fraction form
    27,968.40/41,959.91 = 10,438.38/x
  3. Step 3: Cross multiply
    27,968.40x = 41,959.91 × 10,438.38
  4. Step 4: Simplify right side
    27,968.40x = 437,993,485.35
  5. Step 5: Solve for x
    x = 437,993,485.35/27,968.40
  6. Step 6: Final answer
    x = 15,660.30

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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.