Home / 20,528.53-28,329.39-11,097.09

Finding the Fourth Proportional to 20,528.53, 28,329.39 and 11,097.09

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Solution

The fourth proportional to 20,528.53, 28,329.39 and 11,097.09 is: 15,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.53 : 28,329.39 = 11,097.09 : x
  2. Step 2: Convert to fraction form
    20,528.53/28,329.39 = 11,097.09/x
  3. Step 3: Cross multiply
    20,528.53x = 28,329.39 × 11,097.09
  4. Step 4: Simplify right side
    20,528.53x = 314,373,790.48
  5. Step 5: Solve for x
    x = 314,373,790.48/20,528.53
  6. Step 6: Final answer
    x = 15,314.00

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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.