Home / 25,763.58-38,652.75-12,619.80

Finding the Fourth Proportional to 25,763.58, 38,652.75 and 12,619.80

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Solution

The fourth proportional to 25,763.58, 38,652.75 and 12,619.80 is: 18,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763.58 : 38,652.75 = 12,619.80 : x
  2. Step 2: Convert to fraction form
    25,763.58/38,652.75 = 12,619.80/x
  3. Step 3: Cross multiply
    25,763.58x = 38,652.75 × 12,619.80
  4. Step 4: Simplify right side
    25,763.58x = 487,789,974.45
  5. Step 5: Solve for x
    x = 487,789,974.45/25,763.58
  6. Step 6: Final answer
    x = 18,933.31

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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.