Home / 26,789.52-40,127.72-21,495.84

Finding the Fourth Proportional to 26,789.52, 40,127.72 and 21,495.84

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Solution

The fourth proportional to 26,789.52, 40,127.72 and 21,495.84 is: 32,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.52 : 40,127.72 = 21,495.84 : x
  2. Step 2: Convert to fraction form
    26,789.52/40,127.72 = 21,495.84/x
  3. Step 3: Cross multiply
    26,789.52x = 40,127.72 × 21,495.84
  4. Step 4: Simplify right side
    26,789.52x = 862,579,048.68
  5. Step 5: Solve for x
    x = 862,579,048.68/26,789.52
  6. Step 6: Final answer
    x = 32,198.38

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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.