Home / 28,898.03-43,311.60-16,428.50

Finding the Fourth Proportional to 28,898.03, 43,311.60 and 16,428.50

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Solution

The fourth proportional to 28,898.03, 43,311.60 and 16,428.50 is: 24,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.03 : 43,311.60 = 16,428.50 : x
  2. Step 2: Convert to fraction form
    28,898.03/43,311.60 = 16,428.50/x
  3. Step 3: Cross multiply
    28,898.03x = 43,311.60 × 16,428.50
  4. Step 4: Simplify right side
    28,898.03x = 711,544,620.60
  5. Step 5: Solve for x
    x = 711,544,620.60/28,898.03
  6. Step 6: Final answer
    x = 24,622.60

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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.