Home / 28,817.68-39,768.57-16,071.67

Finding the Fourth Proportional to 28,817.68, 39,768.57 and 16,071.67

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Solution

The fourth proportional to 28,817.68, 39,768.57 and 16,071.67 is: 22,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.68 : 39,768.57 = 16,071.67 : x
  2. Step 2: Convert to fraction form
    28,817.68/39,768.57 = 16,071.67/x
  3. Step 3: Cross multiply
    28,817.68x = 39,768.57 × 16,071.67
  4. Step 4: Simplify right side
    28,817.68x = 639,147,333.41
  5. Step 5: Solve for x
    x = 639,147,333.41/28,817.68
  6. Step 6: Final answer
    x = 22,179.00

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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.