Home / 28,619.16-39,494.70-16,043.96

Finding the Fourth Proportional to 28,619.16, 39,494.70 and 16,043.96

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Solution

The fourth proportional to 28,619.16, 39,494.70 and 16,043.96 is: 22,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.16 : 39,494.70 = 16,043.96 : x
  2. Step 2: Convert to fraction form
    28,619.16/39,494.70 = 16,043.96/x
  3. Step 3: Cross multiply
    28,619.16x = 39,494.70 × 16,043.96
  4. Step 4: Simplify right side
    28,619.16x = 633,651,387.01
  5. Step 5: Solve for x
    x = 633,651,387.01/28,619.16
  6. Step 6: Final answer
    x = 22,140.81

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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.