Home / 27,180-40,724.88-19,243.32

Finding the Fourth Proportional to 27,180, 40,724.88 and 19,243.32

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Solution

The fourth proportional to 27,180, 40,724.88 and 19,243.32 is: 28,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180 : 40,724.88 = 19,243.32 : x
  2. Step 2: Convert to fraction form
    27,180/40,724.88 = 19,243.32/x
  3. Step 3: Cross multiply
    27,180x = 40,724.88 × 19,243.32
  4. Step 4: Simplify right side
    27,180x = 783,681,897.80
  5. Step 5: Solve for x
    x = 783,681,897.80/27,180
  6. Step 6: Final answer
    x = 28,833.04

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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.