Home / 26,577.58-39,866.30-7,857.84

Finding the Fourth Proportional to 26,577.58, 39,866.30 and 7,857.84

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Solution

The fourth proportional to 26,577.58, 39,866.30 and 7,857.84 is: 11,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,577.58 : 39,866.30 = 7,857.84 : x
  2. Step 2: Convert to fraction form
    26,577.58/39,866.30 = 7,857.84/x
  3. Step 3: Cross multiply
    26,577.58x = 39,866.30 × 7,857.84
  4. Step 4: Simplify right side
    26,577.58x = 313,263,006.79
  5. Step 5: Solve for x
    x = 313,263,006.79/26,577.58
  6. Step 6: Final answer
    x = 11,786.74

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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.