Home / 26,658.36-39,903.68-18,289.44

Finding the Fourth Proportional to 26,658.36, 39,903.68 and 18,289.44

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Solution

The fourth proportional to 26,658.36, 39,903.68 and 18,289.44 is: 27,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.36 : 39,903.68 = 18,289.44 : x
  2. Step 2: Convert to fraction form
    26,658.36/39,903.68 = 18,289.44/x
  3. Step 3: Cross multiply
    26,658.36x = 39,903.68 × 18,289.44
  4. Step 4: Simplify right side
    26,658.36x = 729,816,006.86
  5. Step 5: Solve for x
    x = 729,816,006.86/26,658.36
  6. Step 6: Final answer
    x = 27,376.63

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1.5x scale

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.