Home / 37,728.08-52,065.78-20,732.78

Finding the Fourth Proportional to 37,728.08, 52,065.78 and 20,732.78

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Solution

The fourth proportional to 37,728.08, 52,065.78 and 20,732.78 is: 28,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,728.08 : 52,065.78 = 20,732.78 : x
  2. Step 2: Convert to fraction form
    37,728.08/52,065.78 = 20,732.78/x
  3. Step 3: Cross multiply
    37,728.08x = 52,065.78 × 20,732.78
  4. Step 4: Simplify right side
    37,728.08x = 1,079,468,362.27
  5. Step 5: Solve for x
    x = 1,079,468,362.27/37,728.08
  6. Step 6: Final answer
    x = 28,611.80

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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.