Home / 18,949.41-26,152.60-15,757.21

Finding the Fourth Proportional to 18,949.41, 26,152.60 and 15,757.21

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Solution

The fourth proportional to 18,949.41, 26,152.60 and 15,757.21 is: 21,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.41 : 26,152.60 = 15,757.21 : x
  2. Step 2: Convert to fraction form
    18,949.41/26,152.60 = 15,757.21/x
  3. Step 3: Cross multiply
    18,949.41x = 26,152.60 × 15,757.21
  4. Step 4: Simplify right side
    18,949.41x = 412,091,915.22
  5. Step 5: Solve for x
    x = 412,091,915.22/18,949.41
  6. Step 6: Final answer
    x = 21,746.96

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