Home / 28,277.97-39,028.40-16,348.22

Finding the Fourth Proportional to 28,277.97, 39,028.40 and 16,348.22

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Solution

The fourth proportional to 28,277.97, 39,028.40 and 16,348.22 is: 22,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.97 : 39,028.40 = 16,348.22 : x
  2. Step 2: Convert to fraction form
    28,277.97/39,028.40 = 16,348.22/x
  3. Step 3: Cross multiply
    28,277.97x = 39,028.40 × 16,348.22
  4. Step 4: Simplify right side
    28,277.97x = 638,044,592.56
  5. Step 5: Solve for x
    x = 638,044,592.56/28,277.97
  6. Step 6: Final answer
    x = 22,563.31

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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.