Home / 28,824.82-39,774.71-16,075.01

Finding the Fourth Proportional to 28,824.82, 39,774.71 and 16,075.01

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Solution

The fourth proportional to 28,824.82, 39,774.71 and 16,075.01 is: 22,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.82 : 39,774.71 = 16,075.01 : x
  2. Step 2: Convert to fraction form
    28,824.82/39,774.71 = 16,075.01/x
  3. Step 3: Cross multiply
    28,824.82x = 39,774.71 × 16,075.01
  4. Step 4: Simplify right side
    28,824.82x = 639,378,861.00
  5. Step 5: Solve for x
    x = 639,378,861.00/28,824.82
  6. Step 6: Final answer
    x = 22,181.54

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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.