Home / 25,716.16-35,488.32-15,105.92

Finding the Fourth Proportional to 25,716.16, 35,488.32 and 15,105.92

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Solution

The fourth proportional to 25,716.16, 35,488.32 and 15,105.92 is: 20,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.16 : 35,488.32 = 15,105.92 : x
  2. Step 2: Convert to fraction form
    25,716.16/35,488.32 = 15,105.92/x
  3. Step 3: Cross multiply
    25,716.16x = 35,488.32 × 15,105.92
  4. Step 4: Simplify right side
    25,716.16x = 536,083,722.85
  5. Step 5: Solve for x
    x = 536,083,722.85/25,716.16
  6. Step 6: Final answer
    x = 20,846.18

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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.