Home / 26,529.72-39,788.10-17,817.36

Finding the Fourth Proportional to 26,529.72, 39,788.10 and 17,817.36

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Solution

The fourth proportional to 26,529.72, 39,788.10 and 17,817.36 is: 26,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.72 : 39,788.10 = 17,817.36 : x
  2. Step 2: Convert to fraction form
    26,529.72/39,788.10 = 17,817.36/x
  3. Step 3: Cross multiply
    26,529.72x = 39,788.10 × 17,817.36
  4. Step 4: Simplify right side
    26,529.72x = 708,918,901.42
  5. Step 5: Solve for x
    x = 708,918,901.42/26,529.72
  6. Step 6: Final answer
    x = 26,721.69

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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.