Home / 28,410.60-42,635.10-15,930.60

Finding the Fourth Proportional to 28,410.60, 42,635.10 and 15,930.60

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Solution

The fourth proportional to 28,410.60, 42,635.10 and 15,930.60 is: 23,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.60 : 42,635.10 = 15,930.60 : x
  2. Step 2: Convert to fraction form
    28,410.60/42,635.10 = 15,930.60/x
  3. Step 3: Cross multiply
    28,410.60x = 42,635.10 × 15,930.60
  4. Step 4: Simplify right side
    28,410.60x = 679,202,724.06
  5. Step 5: Solve for x
    x = 679,202,724.06/28,410.60
  6. Step 6: Final answer
    x = 23,906.67

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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.