Home / 28,516.05-39,361.95-16,583.13

Finding the Fourth Proportional to 28,516.05, 39,361.95 and 16,583.13

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Solution

The fourth proportional to 28,516.05, 39,361.95 and 16,583.13 is: 22,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.05 : 39,361.95 = 16,583.13 : x
  2. Step 2: Convert to fraction form
    28,516.05/39,361.95 = 16,583.13/x
  3. Step 3: Cross multiply
    28,516.05x = 39,361.95 × 16,583.13
  4. Step 4: Simplify right side
    28,516.05x = 652,744,333.90
  5. Step 5: Solve for x
    x = 652,744,333.90/28,516.05
  6. Step 6: Final answer
    x = 22,890.42

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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.