Home / 28,065.33-42,075.63-16,205.66

Finding the Fourth Proportional to 28,065.33, 42,075.63 and 16,205.66

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Solution

The fourth proportional to 28,065.33, 42,075.63 and 16,205.66 is: 24,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.33 : 42,075.63 = 16,205.66 : x
  2. Step 2: Convert to fraction form
    28,065.33/42,075.63 = 16,205.66/x
  3. Step 3: Cross multiply
    28,065.33x = 42,075.63 × 16,205.66
  4. Step 4: Simplify right side
    28,065.33x = 681,863,143.69
  5. Step 5: Solve for x
    x = 681,863,143.69/28,065.33
  6. Step 6: Final answer
    x = 24,295.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.