Home / 25,999.20-38,998.48-6,277.60

Finding the Fourth Proportional to 25,999.20, 38,998.48 and 6,277.60

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Solution

The fourth proportional to 25,999.20, 38,998.48 and 6,277.60 is: 9,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.20 : 38,998.48 = 6,277.60 : x
  2. Step 2: Convert to fraction form
    25,999.20/38,998.48 = 6,277.60/x
  3. Step 3: Cross multiply
    25,999.20x = 38,998.48 × 6,277.60
  4. Step 4: Simplify right side
    25,999.20x = 244,816,858.05
  5. Step 5: Solve for x
    x = 244,816,858.05/25,999.20
  6. Step 6: Final answer
    x = 9,416.32

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1.5x scale

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.