Home / 28,815.41-39,764.46-16,068.96

Finding the Fourth Proportional to 28,815.41, 39,764.46 and 16,068.96

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Solution

The fourth proportional to 28,815.41, 39,764.46 and 16,068.96 is: 22,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.41 : 39,764.46 = 16,068.96 : x
  2. Step 2: Convert to fraction form
    28,815.41/39,764.46 = 16,068.96/x
  3. Step 3: Cross multiply
    28,815.41x = 39,764.46 × 16,068.96
  4. Step 4: Simplify right side
    28,815.41x = 638,973,517.16
  5. Step 5: Solve for x
    x = 638,973,517.16/28,815.41
  6. Step 6: Final answer
    x = 22,174.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.