Home / 69,428.28-104,142.36-16,837.74

Finding the Fourth Proportional to 69,428.28, 104,142.36 and 16,837.74

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Solution

The fourth proportional to 69,428.28, 104,142.36 and 16,837.74 is: 25,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,428.28 : 104,142.36 = 16,837.74 : x
  2. Step 2: Convert to fraction form
    69,428.28/104,142.36 = 16,837.74/x
  3. Step 3: Cross multiply
    69,428.28x = 104,142.36 × 16,837.74
  4. Step 4: Simplify right side
    69,428.28x = 1,753,521,980.67
  5. Step 5: Solve for x
    x = 1,753,521,980.67/69,428.28
  6. Step 6: Final answer
    x = 25,256.60

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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.