Home / 36,644.28-50,569.08-20,728.38

Finding the Fourth Proportional to 36,644.28, 50,569.08 and 20,728.38

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Solution

The fourth proportional to 36,644.28, 50,569.08 and 20,728.38 is: 28,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,644.28 : 50,569.08 = 20,728.38 : x
  2. Step 2: Convert to fraction form
    36,644.28/50,569.08 = 20,728.38/x
  3. Step 3: Cross multiply
    36,644.28x = 50,569.08 × 20,728.38
  4. Step 4: Simplify right side
    36,644.28x = 1,048,215,106.49
  5. Step 5: Solve for x
    x = 1,048,215,106.49/36,644.28
  6. Step 6: Final answer
    x = 28,605.15

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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.