Home / 25,619.82-38,406.33-8,970.75

Finding the Fourth Proportional to 25,619.82, 38,406.33 and 8,970.75

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Solution

The fourth proportional to 25,619.82, 38,406.33 and 8,970.75 is: 13,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.82 : 38,406.33 = 8,970.75 : x
  2. Step 2: Convert to fraction form
    25,619.82/38,406.33 = 8,970.75/x
  3. Step 3: Cross multiply
    25,619.82x = 38,406.33 × 8,970.75
  4. Step 4: Simplify right side
    25,619.82x = 344,533,584.85
  5. Step 5: Solve for x
    x = 344,533,584.85/25,619.82
  6. Step 6: Final answer
    x = 13,447.93

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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.