Home / 28,185.08-38,868.57-16,852.77

Finding the Fourth Proportional to 28,185.08, 38,868.57 and 16,852.77

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Solution

The fourth proportional to 28,185.08, 38,868.57 and 16,852.77 is: 23,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.08 : 38,868.57 = 16,852.77 : x
  2. Step 2: Convert to fraction form
    28,185.08/38,868.57 = 16,852.77/x
  3. Step 3: Cross multiply
    28,185.08x = 38,868.57 × 16,852.77
  4. Step 4: Simplify right side
    28,185.08x = 655,043,148.80
  5. Step 5: Solve for x
    x = 655,043,148.80/28,185.08
  6. Step 6: Final answer
    x = 23,240.78

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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.