Home / 28,242.67-42,364.07-11,591.02

Finding the Fourth Proportional to 28,242.67, 42,364.07 and 11,591.02

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Solution

The fourth proportional to 28,242.67, 42,364.07 and 11,591.02 is: 17,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.67 : 42,364.07 = 11,591.02 : x
  2. Step 2: Convert to fraction form
    28,242.67/42,364.07 = 11,591.02/x
  3. Step 3: Cross multiply
    28,242.67x = 42,364.07 × 11,591.02
  4. Step 4: Simplify right side
    28,242.67x = 491,042,705.72
  5. Step 5: Solve for x
    x = 491,042,705.72/28,242.67
  6. Step 6: Final answer
    x = 17,386.56

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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.