Home / 38,540.36-57,809.63-17,763.86

Finding the Fourth Proportional to 38,540.36, 57,809.63 and 17,763.86

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Solution

The fourth proportional to 38,540.36, 57,809.63 and 17,763.86 is: 26,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540.36 : 57,809.63 = 17,763.86 : x
  2. Step 2: Convert to fraction form
    38,540.36/57,809.63 = 17,763.86/x
  3. Step 3: Cross multiply
    38,540.36x = 57,809.63 × 17,763.86
  4. Step 4: Simplify right side
    38,540.36x = 1,026,921,929.33
  5. Step 5: Solve for x
    x = 1,026,921,929.33/38,540.36
  6. Step 6: Final answer
    x = 26,645.37

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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.