Home / 28,196.37-38,908.35-16,863.57

Finding the Fourth Proportional to 28,196.37, 38,908.35 and 16,863.57

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Solution

The fourth proportional to 28,196.37, 38,908.35 and 16,863.57 is: 23,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.37 : 38,908.35 = 16,863.57 : x
  2. Step 2: Convert to fraction form
    28,196.37/38,908.35 = 16,863.57/x
  3. Step 3: Cross multiply
    28,196.37x = 38,908.35 × 16,863.57
  4. Step 4: Simplify right side
    28,196.37x = 656,133,683.81
  5. Step 5: Solve for x
    x = 656,133,683.81/28,196.37
  6. Step 6: Final answer
    x = 23,270.15

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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.