Home / 19,287.49-28,927.17-5,433.25

Finding the Fourth Proportional to 19,287.49, 28,927.17 and 5,433.25

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Solution

The fourth proportional to 19,287.49, 28,927.17 and 5,433.25 is: 8,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.49 : 28,927.17 = 5,433.25 : x
  2. Step 2: Convert to fraction form
    19,287.49/28,927.17 = 5,433.25/x
  3. Step 3: Cross multiply
    19,287.49x = 28,927.17 × 5,433.25
  4. Step 4: Simplify right side
    19,287.49x = 157,168,546.40
  5. Step 5: Solve for x
    x = 157,168,546.40/19,287.49
  6. Step 6: Final answer
    x = 8,148.73

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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.