Home / 28,516.80-39,362.99-16,583.88

Finding the Fourth Proportional to 28,516.80, 39,362.99 and 16,583.88

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Solution

The fourth proportional to 28,516.80, 39,362.99 and 16,583.88 is: 22,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.80 : 39,362.99 = 16,583.88 : x
  2. Step 2: Convert to fraction form
    28,516.80/39,362.99 = 16,583.88/x
  3. Step 3: Cross multiply
    28,516.80x = 39,362.99 × 16,583.88
  4. Step 4: Simplify right side
    28,516.80x = 652,791,019.68
  5. Step 5: Solve for x
    x = 652,791,019.68/28,516.80
  6. Step 6: Final answer
    x = 22,891.45

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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.