Home / 28,166.63-38,878.61-16,237.94

Finding the Fourth Proportional to 28,166.63, 38,878.61 and 16,237.94

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Solution

The fourth proportional to 28,166.63, 38,878.61 and 16,237.94 is: 22,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.63 : 38,878.61 = 16,237.94 : x
  2. Step 2: Convert to fraction form
    28,166.63/38,878.61 = 16,237.94/x
  3. Step 3: Cross multiply
    28,166.63x = 38,878.61 × 16,237.94
  4. Step 4: Simplify right side
    28,166.63x = 631,308,260.88
  5. Step 5: Solve for x
    x = 631,308,260.88/28,166.63
  6. Step 6: Final answer
    x = 22,413.34

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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.