Home / 25,702.99-38,480.63-18,994.37

Finding the Fourth Proportional to 25,702.99, 38,480.63 and 18,994.37

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Solution

The fourth proportional to 25,702.99, 38,480.63 and 18,994.37 is: 28,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.99 : 38,480.63 = 18,994.37 : x
  2. Step 2: Convert to fraction form
    25,702.99/38,480.63 = 18,994.37/x
  3. Step 3: Cross multiply
    25,702.99x = 38,480.63 × 18,994.37
  4. Step 4: Simplify right side
    25,702.99x = 730,915,036.68
  5. Step 5: Solve for x
    x = 730,915,036.68/25,702.99
  6. Step 6: Final answer
    x = 28,436.97

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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.