Home / 69,428.30-104,142.46-16,837.78

Finding the Fourth Proportional to 69,428.30, 104,142.46 and 16,837.78

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Solution

The fourth proportional to 69,428.30, 104,142.46 and 16,837.78 is: 25,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,428.30 : 104,142.46 = 16,837.78 : x
  2. Step 2: Convert to fraction form
    69,428.30/104,142.46 = 16,837.78/x
  3. Step 3: Cross multiply
    69,428.30x = 104,142.46 × 16,837.78
  4. Step 4: Simplify right side
    69,428.30x = 1,753,527,830.14
  5. Step 5: Solve for x
    x = 1,753,527,830.14/69,428.30
  6. Step 6: Final answer
    x = 25,256.67

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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.