Home / 27,885.44-41,838.41-12,899.79

Finding the Fourth Proportional to 27,885.44, 41,838.41 and 12,899.79

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Solution

The fourth proportional to 27,885.44, 41,838.41 and 12,899.79 is: 19,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.44 : 41,838.41 = 12,899.79 : x
  2. Step 2: Convert to fraction form
    27,885.44/41,838.41 = 12,899.79/x
  3. Step 3: Cross multiply
    27,885.44x = 41,838.41 × 12,899.79
  4. Step 4: Simplify right side
    27,885.44x = 539,706,735.18
  5. Step 5: Solve for x
    x = 539,706,735.18/27,885.44
  6. Step 6: Final answer
    x = 19,354.43

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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.