Home / 25,539.21-35,229.74-15,327.63

Finding the Fourth Proportional to 25,539.21, 35,229.74 and 15,327.63

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Solution

The fourth proportional to 25,539.21, 35,229.74 and 15,327.63 is: 21,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.21 : 35,229.74 = 15,327.63 : x
  2. Step 2: Convert to fraction form
    25,539.21/35,229.74 = 15,327.63/x
  3. Step 3: Cross multiply
    25,539.21x = 35,229.74 × 15,327.63
  4. Step 4: Simplify right side
    25,539.21x = 539,988,343.08
  5. Step 5: Solve for x
    x = 539,988,343.08/25,539.21
  6. Step 6: Final answer
    x = 21,143.50

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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.