Home / 26,778.39-36,933.37-18,287.34

Finding the Fourth Proportional to 26,778.39, 36,933.37 and 18,287.34

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Solution

The fourth proportional to 26,778.39, 36,933.37 and 18,287.34 is: 25,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.39 : 36,933.37 = 18,287.34 : x
  2. Step 2: Convert to fraction form
    26,778.39/36,933.37 = 18,287.34/x
  3. Step 3: Cross multiply
    26,778.39x = 36,933.37 × 18,287.34
  4. Step 4: Simplify right side
    26,778.39x = 675,413,094.54
  5. Step 5: Solve for x
    x = 675,413,094.54/26,778.39
  6. Step 6: Final answer
    x = 25,222.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.