Home / 27,640.80-38,137.50-16,882.92

Finding the Fourth Proportional to 27,640.80, 38,137.50 and 16,882.92

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Solution

The fourth proportional to 27,640.80, 38,137.50 and 16,882.92 is: 23,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.80 : 38,137.50 = 16,882.92 : x
  2. Step 2: Convert to fraction form
    27,640.80/38,137.50 = 16,882.92/x
  3. Step 3: Cross multiply
    27,640.80x = 38,137.50 × 16,882.92
  4. Step 4: Simplify right side
    27,640.80x = 643,872,361.50
  5. Step 5: Solve for x
    x = 643,872,361.50/27,640.80
  6. Step 6: Final answer
    x = 23,294.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.