Home / 38,828.32-58,236.84-19,101.60

Finding the Fourth Proportional to 38,828.32, 58,236.84 and 19,101.60

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Solution

The fourth proportional to 38,828.32, 58,236.84 and 19,101.60 is: 28,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.32 : 58,236.84 = 19,101.60 : x
  2. Step 2: Convert to fraction form
    38,828.32/58,236.84 = 19,101.60/x
  3. Step 3: Cross multiply
    38,828.32x = 58,236.84 × 19,101.60
  4. Step 4: Simplify right side
    38,828.32x = 1,112,416,822.94
  5. Step 5: Solve for x
    x = 1,112,416,822.94/38,828.32
  6. Step 6: Final answer
    x = 28,649.63

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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.