Home / 27,984.34-41,976.47-19,192.60

Finding the Fourth Proportional to 27,984.34, 41,976.47 and 19,192.60

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Solution

The fourth proportional to 27,984.34, 41,976.47 and 19,192.60 is: 28,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.34 : 41,976.47 = 19,192.60 : x
  2. Step 2: Convert to fraction form
    27,984.34/41,976.47 = 19,192.60/x
  3. Step 3: Cross multiply
    27,984.34x = 41,976.47 × 19,192.60
  4. Step 4: Simplify right side
    27,984.34x = 805,637,679.07
  5. Step 5: Solve for x
    x = 805,637,679.07/27,984.34
  6. Step 6: Final answer
    x = 28,788.87

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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.