Home / 28,446.24-42,674.37-9,721.88

Finding the Fourth Proportional to 28,446.24, 42,674.37 and 9,721.88

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Solution

The fourth proportional to 28,446.24, 42,674.37 and 9,721.88 is: 14,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.24 : 42,674.37 = 9,721.88 : x
  2. Step 2: Convert to fraction form
    28,446.24/42,674.37 = 9,721.88/x
  3. Step 3: Cross multiply
    28,446.24x = 42,674.37 × 9,721.88
  4. Step 4: Simplify right side
    28,446.24x = 414,874,842.23
  5. Step 5: Solve for x
    x = 414,874,842.23/28,446.24
  6. Step 6: Final answer
    x = 14,584.52

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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.