Home / 28,198.64-38,916.56-16,265.92

Finding the Fourth Proportional to 28,198.64, 38,916.56 and 16,265.92

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Solution

The fourth proportional to 28,198.64, 38,916.56 and 16,265.92 is: 22,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.64 : 38,916.56 = 16,265.92 : x
  2. Step 2: Convert to fraction form
    28,198.64/38,916.56 = 16,265.92/x
  3. Step 3: Cross multiply
    28,198.64x = 38,916.56 × 16,265.92
  4. Step 4: Simplify right side
    28,198.64x = 633,013,651.64
  5. Step 5: Solve for x
    x = 633,013,651.64/28,198.64
  6. Step 6: Final answer
    x = 22,448.38

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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.