Home / 26,195.16-39,292.74-8,660.28

Finding the Fourth Proportional to 26,195.16, 39,292.74 and 8,660.28

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Solution

The fourth proportional to 26,195.16, 39,292.74 and 8,660.28 is: 12,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.16 : 39,292.74 = 8,660.28 : x
  2. Step 2: Convert to fraction form
    26,195.16/39,292.74 = 8,660.28/x
  3. Step 3: Cross multiply
    26,195.16x = 39,292.74 × 8,660.28
  4. Step 4: Simplify right side
    26,195.16x = 340,286,130.37
  5. Step 5: Solve for x
    x = 340,286,130.37/26,195.16
  6. Step 6: Final answer
    x = 12,990.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.