Home / 28,330.89-39,094.97-16,393.38

Finding the Fourth Proportional to 28,330.89, 39,094.97 and 16,393.38

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Solution

The fourth proportional to 28,330.89, 39,094.97 and 16,393.38 is: 22,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.89 : 39,094.97 = 16,393.38 : x
  2. Step 2: Convert to fraction form
    28,330.89/39,094.97 = 16,393.38/x
  3. Step 3: Cross multiply
    28,330.89x = 39,094.97 × 16,393.38
  4. Step 4: Simplify right side
    28,330.89x = 640,898,617.33
  5. Step 5: Solve for x
    x = 640,898,617.33/28,330.89
  6. Step 6: Final answer
    x = 22,621.90

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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.