Home / 28,675.88-39,573.17-16,100.36

Finding the Fourth Proportional to 28,675.88, 39,573.17 and 16,100.36

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Solution

The fourth proportional to 28,675.88, 39,573.17 and 16,100.36 is: 22,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.88 : 39,573.17 = 16,100.36 : x
  2. Step 2: Convert to fraction form
    28,675.88/39,573.17 = 16,100.36/x
  3. Step 3: Cross multiply
    28,675.88x = 39,573.17 × 16,100.36
  4. Step 4: Simplify right side
    28,675.88x = 637,142,004.97
  5. Step 5: Solve for x
    x = 637,142,004.97/28,675.88
  6. Step 6: Final answer
    x = 22,218.75

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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.