Home / 28,728.48-43,018.88-16,229.84

Finding the Fourth Proportional to 28,728.48, 43,018.88 and 16,229.84

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Solution

The fourth proportional to 28,728.48, 43,018.88 and 16,229.84 is: 24,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.48 : 43,018.88 = 16,229.84 : x
  2. Step 2: Convert to fraction form
    28,728.48/43,018.88 = 16,229.84/x
  3. Step 3: Cross multiply
    28,728.48x = 43,018.88 × 16,229.84
  4. Step 4: Simplify right side
    28,728.48x = 698,189,539.38
  5. Step 5: Solve for x
    x = 698,189,539.38/28,728.48
  6. Step 6: Final answer
    x = 24,303.04

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1.5x scale

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.