Home / 20,924.92-31,387.32-7,597.89

Finding the Fourth Proportional to 20,924.92, 31,387.32 and 7,597.89

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Solution

The fourth proportional to 20,924.92, 31,387.32 and 7,597.89 is: 11,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.92 : 31,387.32 = 7,597.89 : x
  2. Step 2: Convert to fraction form
    20,924.92/31,387.32 = 7,597.89/x
  3. Step 3: Cross multiply
    20,924.92x = 31,387.32 × 7,597.89
  4. Step 4: Simplify right side
    20,924.92x = 238,477,381.99
  5. Step 5: Solve for x
    x = 238,477,381.99/20,924.92
  6. Step 6: Final answer
    x = 11,396.81

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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.