Home / 20,727.94-31,065.90-16,328.02

Finding the Fourth Proportional to 20,727.94, 31,065.90 and 16,328.02

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Solution

The fourth proportional to 20,727.94, 31,065.90 and 16,328.02 is: 24,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.94 : 31,065.90 = 16,328.02 : x
  2. Step 2: Convert to fraction form
    20,727.94/31,065.90 = 16,328.02/x
  3. Step 3: Cross multiply
    20,727.94x = 31,065.90 × 16,328.02
  4. Step 4: Simplify right side
    20,727.94x = 507,244,636.52
  5. Step 5: Solve for x
    x = 507,244,636.52/20,727.94
  6. Step 6: Final answer
    x = 24,471.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.