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Finding the Fourth Proportional to 16,018.88, 24,020.48 and 5,629.12

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Solution

The fourth proportional to 16,018.88, 24,020.48 and 5,629.12 is: 8,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,018.88 : 24,020.48 = 5,629.12 : x
  2. Step 2: Convert to fraction form
    16,018.88/24,020.48 = 5,629.12/x
  3. Step 3: Cross multiply
    16,018.88x = 24,020.48 × 5,629.12
  4. Step 4: Simplify right side
    16,018.88x = 135,214,164.38
  5. Step 5: Solve for x
    x = 135,214,164.38/16,018.88
  6. Step 6: Final answer
    x = 8,440.92

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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.