Home / 25,905.80-38,858.70-10,334.60

Finding the Fourth Proportional to 25,905.80, 38,858.70 and 10,334.60

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Solution

The fourth proportional to 25,905.80, 38,858.70 and 10,334.60 is: 15,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.80 : 38,858.70 = 10,334.60 : x
  2. Step 2: Convert to fraction form
    25,905.80/38,858.70 = 10,334.60/x
  3. Step 3: Cross multiply
    25,905.80x = 38,858.70 × 10,334.60
  4. Step 4: Simplify right side
    25,905.80x = 401,589,121.02
  5. Step 5: Solve for x
    x = 401,589,121.02/25,905.80
  6. Step 6: Final answer
    x = 15,501.90

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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.