Home / 27,412.28-41,122.30-8,438.48

Finding the Fourth Proportional to 27,412.28, 41,122.30 and 8,438.48

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Solution

The fourth proportional to 27,412.28, 41,122.30 and 8,438.48 is: 12,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.28 : 41,122.30 = 8,438.48 : x
  2. Step 2: Convert to fraction form
    27,412.28/41,122.30 = 8,438.48/x
  3. Step 3: Cross multiply
    27,412.28x = 41,122.30 × 8,438.48
  4. Step 4: Simplify right side
    27,412.28x = 347,009,706.10
  5. Step 5: Solve for x
    x = 347,009,706.10/27,412.28
  6. Step 6: Final answer
    x = 12,658.91

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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.