Home / 28,923.15-39,915.97-16,180.54

Finding the Fourth Proportional to 28,923.15, 39,915.97 and 16,180.54

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Solution

The fourth proportional to 28,923.15, 39,915.97 and 16,180.54 is: 22,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.15 : 39,915.97 = 16,180.54 : x
  2. Step 2: Convert to fraction form
    28,923.15/39,915.97 = 16,180.54/x
  3. Step 3: Cross multiply
    28,923.15x = 39,915.97 × 16,180.54
  4. Step 4: Simplify right side
    28,923.15x = 645,861,949.22
  5. Step 5: Solve for x
    x = 645,861,949.22/28,923.15
  6. Step 6: Final answer
    x = 22,330.28

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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.