Home / 25,374.36-38,105.10-15,571.20

Finding the Fourth Proportional to 25,374.36, 38,105.10 and 15,571.20

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Solution

The fourth proportional to 25,374.36, 38,105.10 and 15,571.20 is: 23,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.36 : 38,105.10 = 15,571.20 : x
  2. Step 2: Convert to fraction form
    25,374.36/38,105.10 = 15,571.20/x
  3. Step 3: Cross multiply
    25,374.36x = 38,105.10 × 15,571.20
  4. Step 4: Simplify right side
    25,374.36x = 593,342,133.12
  5. Step 5: Solve for x
    x = 593,342,133.12/25,374.36
  6. Step 6: Final answer
    x = 23,383.53

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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.