Home / 20,836.24-28,749.43-12,334.14

Finding the Fourth Proportional to 20,836.24, 28,749.43 and 12,334.14

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Solution

The fourth proportional to 20,836.24, 28,749.43 and 12,334.14 is: 17,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.24 : 28,749.43 = 12,334.14 : x
  2. Step 2: Convert to fraction form
    20,836.24/28,749.43 = 12,334.14/x
  3. Step 3: Cross multiply
    20,836.24x = 28,749.43 × 12,334.14
  4. Step 4: Simplify right side
    20,836.24x = 354,599,509.96
  5. Step 5: Solve for x
    x = 354,599,509.96/20,836.24
  6. Step 6: Final answer
    x = 17,018.40

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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.