Home / 25,608.20-38,498.70-21,806.60

Finding the Fourth Proportional to 25,608.20, 38,498.70 and 21,806.60

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Solution

The fourth proportional to 25,608.20, 38,498.70 and 21,806.60 is: 32,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.20 : 38,498.70 = 21,806.60 : x
  2. Step 2: Convert to fraction form
    25,608.20/38,498.70 = 21,806.60/x
  3. Step 3: Cross multiply
    25,608.20x = 38,498.70 × 21,806.60
  4. Step 4: Simplify right side
    25,608.20x = 839,525,751.42
  5. Step 5: Solve for x
    x = 839,525,751.42/25,608.20
  6. Step 6: Final answer
    x = 32,783.47

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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.