Home / 28,804.14-43,214.04-8,813.18

Finding the Fourth Proportional to 28,804.14, 43,214.04 and 8,813.18

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Solution

The fourth proportional to 28,804.14, 43,214.04 and 8,813.18 is: 13,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.14 : 43,214.04 = 8,813.18 : x
  2. Step 2: Convert to fraction form
    28,804.14/43,214.04 = 8,813.18/x
  3. Step 3: Cross multiply
    28,804.14x = 43,214.04 × 8,813.18
  4. Step 4: Simplify right side
    28,804.14x = 380,853,319.03
  5. Step 5: Solve for x
    x = 380,853,319.03/28,804.14
  6. Step 6: Final answer
    x = 13,222.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.