Home / 25,405.14-38,109.33-9,822.54

Finding the Fourth Proportional to 25,405.14, 38,109.33 and 9,822.54

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Solution

The fourth proportional to 25,405.14, 38,109.33 and 9,822.54 is: 14,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.14 : 38,109.33 = 9,822.54 : x
  2. Step 2: Convert to fraction form
    25,405.14/38,109.33 = 9,822.54/x
  3. Step 3: Cross multiply
    25,405.14x = 38,109.33 × 9,822.54
  4. Step 4: Simplify right side
    25,405.14x = 374,330,418.30
  5. Step 5: Solve for x
    x = 374,330,418.30/25,405.14
  6. Step 6: Final answer
    x = 14,734.44

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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.