Home / 28,396.68-39,187.45-16,466.95

Finding the Fourth Proportional to 28,396.68, 39,187.45 and 16,466.95

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Solution

The fourth proportional to 28,396.68, 39,187.45 and 16,466.95 is: 22,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.68 : 39,187.45 = 16,466.95 : x
  2. Step 2: Convert to fraction form
    28,396.68/39,187.45 = 16,466.95/x
  3. Step 3: Cross multiply
    28,396.68x = 39,187.45 × 16,466.95
  4. Step 4: Simplify right side
    28,396.68x = 645,297,536.29
  5. Step 5: Solve for x
    x = 645,297,536.29/28,396.68
  6. Step 6: Final answer
    x = 22,724.40

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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.