Home / 26,813.07-40,239.03-18,863.31

Finding the Fourth Proportional to 26,813.07, 40,239.03 and 18,863.31

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Solution

The fourth proportional to 26,813.07, 40,239.03 and 18,863.31 is: 28,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.07 : 40,239.03 = 18,863.31 : x
  2. Step 2: Convert to fraction form
    26,813.07/40,239.03 = 18,863.31/x
  3. Step 3: Cross multiply
    26,813.07x = 40,239.03 × 18,863.31
  4. Step 4: Simplify right side
    26,813.07x = 759,041,296.99
  5. Step 5: Solve for x
    x = 759,041,296.99/26,813.07
  6. Step 6: Final answer
    x = 28,308.63

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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.