Home / 19,436.88-29,120.76-16,827.60

Finding the Fourth Proportional to 19,436.88, 29,120.76 and 16,827.60

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Solution

The fourth proportional to 19,436.88, 29,120.76 and 16,827.60 is: 25,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.88 : 29,120.76 = 16,827.60 : x
  2. Step 2: Convert to fraction form
    19,436.88/29,120.76 = 16,827.60/x
  3. Step 3: Cross multiply
    19,436.88x = 29,120.76 × 16,827.60
  4. Step 4: Simplify right side
    19,436.88x = 490,032,500.98
  5. Step 5: Solve for x
    x = 490,032,500.98/19,436.88
  6. Step 6: Final answer
    x = 25,211.48

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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.