Home / 28,912.19-39,897.27-16,336.13

Finding the Fourth Proportional to 28,912.19, 39,897.27 and 16,336.13

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Solution

The fourth proportional to 28,912.19, 39,897.27 and 16,336.13 is: 22,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.19 : 39,897.27 = 16,336.13 : x
  2. Step 2: Convert to fraction form
    28,912.19/39,897.27 = 16,336.13/x
  3. Step 3: Cross multiply
    28,912.19x = 39,897.27 × 16,336.13
  4. Step 4: Simplify right side
    28,912.19x = 651,766,789.88
  5. Step 5: Solve for x
    x = 651,766,789.88/28,912.19
  6. Step 6: Final answer
    x = 22,542.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.