Home / 27,477.20-37,919.22-15,539.96

Finding the Fourth Proportional to 27,477.20, 37,919.22 and 15,539.96

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Solution

The fourth proportional to 27,477.20, 37,919.22 and 15,539.96 is: 21,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.20 : 37,919.22 = 15,539.96 : x
  2. Step 2: Convert to fraction form
    27,477.20/37,919.22 = 15,539.96/x
  3. Step 3: Cross multiply
    27,477.20x = 37,919.22 × 15,539.96
  4. Step 4: Simplify right side
    27,477.20x = 589,263,162.03
  5. Step 5: Solve for x
    x = 589,263,162.03/27,477.20
  6. Step 6: Final answer
    x = 21,445.53

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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.