Home / 28,880.01-39,850.48-16,131.57

Finding the Fourth Proportional to 28,880.01, 39,850.48 and 16,131.57

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Solution

The fourth proportional to 28,880.01, 39,850.48 and 16,131.57 is: 22,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.01 : 39,850.48 = 16,131.57 : x
  2. Step 2: Convert to fraction form
    28,880.01/39,850.48 = 16,131.57/x
  3. Step 3: Cross multiply
    28,880.01x = 39,850.48 × 16,131.57
  4. Step 4: Simplify right side
    28,880.01x = 642,850,727.00
  5. Step 5: Solve for x
    x = 642,850,727.00/28,880.01
  6. Step 6: Final answer
    x = 22,259.37

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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.