Home / 28,485.36-42,758.10-16,016.04

Finding the Fourth Proportional to 28,485.36, 42,758.10 and 16,016.04

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Solution

The fourth proportional to 28,485.36, 42,758.10 and 16,016.04 is: 24,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485.36 : 42,758.10 = 16,016.04 : x
  2. Step 2: Convert to fraction form
    28,485.36/42,758.10 = 16,016.04/x
  3. Step 3: Cross multiply
    28,485.36x = 42,758.10 × 16,016.04
  4. Step 4: Simplify right side
    28,485.36x = 684,815,439.92
  5. Step 5: Solve for x
    x = 684,815,439.92/28,485.36
  6. Step 6: Final answer
    x = 24,040.96

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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.