Home / 28,820.53-39,771.53-16,074.10

Finding the Fourth Proportional to 28,820.53, 39,771.53 and 16,074.10

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Solution

The fourth proportional to 28,820.53, 39,771.53 and 16,074.10 is: 22,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.53 : 39,771.53 = 16,074.10 : x
  2. Step 2: Convert to fraction form
    28,820.53/39,771.53 = 16,074.10/x
  3. Step 3: Cross multiply
    28,820.53x = 39,771.53 × 16,074.10
  4. Step 4: Simplify right side
    28,820.53x = 639,291,550.37
  5. Step 5: Solve for x
    x = 639,291,550.37/28,820.53
  6. Step 6: Final answer
    x = 22,181.81

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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.