Home / 26,851.36-40,239.60-15,765.28

Finding the Fourth Proportional to 26,851.36, 40,239.60 and 15,765.28

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Solution

The fourth proportional to 26,851.36, 40,239.60 and 15,765.28 is: 23,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.36 : 40,239.60 = 15,765.28 : x
  2. Step 2: Convert to fraction form
    26,851.36/40,239.60 = 15,765.28/x
  3. Step 3: Cross multiply
    26,851.36x = 40,239.60 × 15,765.28
  4. Step 4: Simplify right side
    26,851.36x = 634,388,561.09
  5. Step 5: Solve for x
    x = 634,388,561.09/26,851.36
  6. Step 6: Final answer
    x = 23,625.94

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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.