Home / 28,767.38-39,696.46-16,019.60

Finding the Fourth Proportional to 28,767.38, 39,696.46 and 16,019.60

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Solution

The fourth proportional to 28,767.38, 39,696.46 and 16,019.60 is: 22,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.38 : 39,696.46 = 16,019.60 : x
  2. Step 2: Convert to fraction form
    28,767.38/39,696.46 = 16,019.60/x
  3. Step 3: Cross multiply
    28,767.38x = 39,696.46 × 16,019.60
  4. Step 4: Simplify right side
    28,767.38x = 635,921,330.52
  5. Step 5: Solve for x
    x = 635,921,330.52/28,767.38
  6. Step 6: Final answer
    x = 22,105.64

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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.