Home / 38,577.28-57,752-28,759.68

Finding the Fourth Proportional to 38,577.28, 57,752 and 28,759.68

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Solution

The fourth proportional to 38,577.28, 57,752 and 28,759.68 is: 43,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.28 : 57,752 = 28,759.68 : x
  2. Step 2: Convert to fraction form
    38,577.28/57,752 = 28,759.68/x
  3. Step 3: Cross multiply
    38,577.28x = 57,752 × 28,759.68
  4. Step 4: Simplify right side
    38,577.28x = 1,660,929,039.36
  5. Step 5: Solve for x
    x = 1,660,929,039.36/38,577.28
  6. Step 6: Final answer
    x = 43,054.59

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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.