Home / 25,222.28-37,835.58-10,428.36

Finding the Fourth Proportional to 25,222.28, 37,835.58 and 10,428.36

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Solution

The fourth proportional to 25,222.28, 37,835.58 and 10,428.36 is: 15,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.28 : 37,835.58 = 10,428.36 : x
  2. Step 2: Convert to fraction form
    25,222.28/37,835.58 = 10,428.36/x
  3. Step 3: Cross multiply
    25,222.28x = 37,835.58 × 10,428.36
  4. Step 4: Simplify right side
    25,222.28x = 394,563,049.05
  5. Step 5: Solve for x
    x = 394,563,049.05/25,222.28
  6. Step 6: Final answer
    x = 15,643.43

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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.