Home / 25,912.05-38,868.15-7,193.10

Finding the Fourth Proportional to 25,912.05, 38,868.15 and 7,193.10

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Solution

The fourth proportional to 25,912.05, 38,868.15 and 7,193.10 is: 10,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.05 : 38,868.15 = 7,193.10 : x
  2. Step 2: Convert to fraction form
    25,912.05/38,868.15 = 7,193.10/x
  3. Step 3: Cross multiply
    25,912.05x = 38,868.15 × 7,193.10
  4. Step 4: Simplify right side
    25,912.05x = 279,582,662.49
  5. Step 5: Solve for x
    x = 279,582,662.49/25,912.05
  6. Step 6: Final answer
    x = 10,789.68

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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.