Home / 28,918.77-43,348.61-16,412.37

Finding the Fourth Proportional to 28,918.77, 43,348.61 and 16,412.37

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Solution

The fourth proportional to 28,918.77, 43,348.61 and 16,412.37 is: 24,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918.77 : 43,348.61 = 16,412.37 : x
  2. Step 2: Convert to fraction form
    28,918.77/43,348.61 = 16,412.37/x
  3. Step 3: Cross multiply
    28,918.77x = 43,348.61 × 16,412.37
  4. Step 4: Simplify right side
    28,918.77x = 711,453,344.24
  5. Step 5: Solve for x
    x = 711,453,344.24/28,918.77
  6. Step 6: Final answer
    x = 24,601.78

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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.