Home / 27,863.18-38,450.54-15,925.80

Finding the Fourth Proportional to 27,863.18, 38,450.54 and 15,925.80

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Solution

The fourth proportional to 27,863.18, 38,450.54 and 15,925.80 is: 21,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.18 : 38,450.54 = 15,925.80 : x
  2. Step 2: Convert to fraction form
    27,863.18/38,450.54 = 15,925.80/x
  3. Step 3: Cross multiply
    27,863.18x = 38,450.54 × 15,925.80
  4. Step 4: Simplify right side
    27,863.18x = 612,355,530.30
  5. Step 5: Solve for x
    x = 612,355,530.30/27,863.18
  6. Step 6: Final answer
    x = 21,977.23

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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.