Home / 28,936.80-43,419.60-16,466.40

Finding the Fourth Proportional to 28,936.80, 43,419.60 and 16,466.40

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Solution

The fourth proportional to 28,936.80, 43,419.60 and 16,466.40 is: 24,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.80 : 43,419.60 = 16,466.40 : x
  2. Step 2: Convert to fraction form
    28,936.80/43,419.60 = 16,466.40/x
  3. Step 3: Cross multiply
    28,936.80x = 43,419.60 × 16,466.40
  4. Step 4: Simplify right side
    28,936.80x = 714,964,501.44
  5. Step 5: Solve for x
    x = 714,964,501.44/28,936.80
  6. Step 6: Final answer
    x = 24,707.79

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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.