Home / 17,739.38-26,611.96-5,424.50

Finding the Fourth Proportional to 17,739.38, 26,611.96 and 5,424.50

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Solution

The fourth proportional to 17,739.38, 26,611.96 and 5,424.50 is: 8,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.38 : 26,611.96 = 5,424.50 : x
  2. Step 2: Convert to fraction form
    17,739.38/26,611.96 = 5,424.50/x
  3. Step 3: Cross multiply
    17,739.38x = 26,611.96 × 5,424.50
  4. Step 4: Simplify right side
    17,739.38x = 144,356,577.02
  5. Step 5: Solve for x
    x = 144,356,577.02/17,739.38
  6. Step 6: Final answer
    x = 8,137.63

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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.