Home / 28,205.75-38,914.26-16,097.60

Finding the Fourth Proportional to 28,205.75, 38,914.26 and 16,097.60

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Solution

The fourth proportional to 28,205.75, 38,914.26 and 16,097.60 is: 22,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.75 : 38,914.26 = 16,097.60 : x
  2. Step 2: Convert to fraction form
    28,205.75/38,914.26 = 16,097.60/x
  3. Step 3: Cross multiply
    28,205.75x = 38,914.26 × 16,097.60
  4. Step 4: Simplify right side
    28,205.75x = 626,426,191.78
  5. Step 5: Solve for x
    x = 626,426,191.78/28,205.75
  6. Step 6: Final answer
    x = 22,209.17

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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.