Home / 19,172.30-28,871.47-16,735.82

Finding the Fourth Proportional to 19,172.30, 28,871.47 and 16,735.82

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Solution

The fourth proportional to 19,172.30, 28,871.47 and 16,735.82 is: 25,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.30 : 28,871.47 = 16,735.82 : x
  2. Step 2: Convert to fraction form
    19,172.30/28,871.47 = 16,735.82/x
  3. Step 3: Cross multiply
    19,172.30x = 28,871.47 × 16,735.82
  4. Step 4: Simplify right side
    19,172.30x = 483,187,601.62
  5. Step 5: Solve for x
    x = 483,187,601.62/19,172.30
  6. Step 6: Final answer
    x = 25,202.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.