Home / 28,751.55-39,677.21-16,176.30

Finding the Fourth Proportional to 28,751.55, 39,677.21 and 16,176.30

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Solution

The fourth proportional to 28,751.55, 39,677.21 and 16,176.30 is: 22,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.55 : 39,677.21 = 16,176.30 : x
  2. Step 2: Convert to fraction form
    28,751.55/39,677.21 = 16,176.30/x
  3. Step 3: Cross multiply
    28,751.55x = 39,677.21 × 16,176.30
  4. Step 4: Simplify right side
    28,751.55x = 641,830,452.12
  5. Step 5: Solve for x
    x = 641,830,452.12/28,751.55
  6. Step 6: Final answer
    x = 22,323.33

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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.