Home / 28,258.26-42,394.46-19,954.52

Finding the Fourth Proportional to 28,258.26, 42,394.46 and 19,954.52

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Solution

The fourth proportional to 28,258.26, 42,394.46 and 19,954.52 is: 29,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.26 : 42,394.46 = 19,954.52 : x
  2. Step 2: Convert to fraction form
    28,258.26/42,394.46 = 19,954.52/x
  3. Step 3: Cross multiply
    28,258.26x = 42,394.46 × 19,954.52
  4. Step 4: Simplify right side
    28,258.26x = 845,961,099.96
  5. Step 5: Solve for x
    x = 845,961,099.96/28,258.26
  6. Step 6: Final answer
    x = 29,936.77

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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.