Home / 28,568.26-39,397.80-19,599.94

Finding the Fourth Proportional to 28,568.26, 39,397.80 and 19,599.94

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Solution

The fourth proportional to 28,568.26, 39,397.80 and 19,599.94 is: 27,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.26 : 39,397.80 = 19,599.94 : x
  2. Step 2: Convert to fraction form
    28,568.26/39,397.80 = 19,599.94/x
  3. Step 3: Cross multiply
    28,568.26x = 39,397.80 × 19,599.94
  4. Step 4: Simplify right side
    28,568.26x = 772,194,516.13
  5. Step 5: Solve for x
    x = 772,194,516.13/28,568.26
  6. Step 6: Final answer
    x = 27,029.81

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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.