Home / 26,258.85-39,388.23-7,790.85

Finding the Fourth Proportional to 26,258.85, 39,388.23 and 7,790.85

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Solution

The fourth proportional to 26,258.85, 39,388.23 and 7,790.85 is: 11,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.85 : 39,388.23 = 7,790.85 : x
  2. Step 2: Convert to fraction form
    26,258.85/39,388.23 = 7,790.85/x
  3. Step 3: Cross multiply
    26,258.85x = 39,388.23 × 7,790.85
  4. Step 4: Simplify right side
    26,258.85x = 306,867,791.70
  5. Step 5: Solve for x
    x = 306,867,791.70/26,258.85
  6. Step 6: Final answer
    x = 11,686.26

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1.5x scale

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.