Home / 26,699.82-40,050.10-6,978.36

Finding the Fourth Proportional to 26,699.82, 40,050.10 and 6,978.36

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Solution

The fourth proportional to 26,699.82, 40,050.10 and 6,978.36 is: 10,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.82 : 40,050.10 = 6,978.36 : x
  2. Step 2: Convert to fraction form
    26,699.82/40,050.10 = 6,978.36/x
  3. Step 3: Cross multiply
    26,699.82x = 40,050.10 × 6,978.36
  4. Step 4: Simplify right side
    26,699.82x = 279,484,015.84
  5. Step 5: Solve for x
    x = 279,484,015.84/26,699.82
  6. Step 6: Final answer
    x = 10,467.64

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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.