Home / 27,137.94-40,653.91-18,702.93

Finding the Fourth Proportional to 27,137.94, 40,653.91 and 18,702.93

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Solution

The fourth proportional to 27,137.94, 40,653.91 and 18,702.93 is: 28,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.94 : 40,653.91 = 18,702.93 : x
  2. Step 2: Convert to fraction form
    27,137.94/40,653.91 = 18,702.93/x
  3. Step 3: Cross multiply
    27,137.94x = 40,653.91 × 18,702.93
  4. Step 4: Simplify right side
    27,137.94x = 760,347,232.96
  5. Step 5: Solve for x
    x = 760,347,232.96/27,137.94
  6. Step 6: Final answer
    x = 28,017.87

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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.