Home / 28,844.70-39,806.20-16,916.64

Finding the Fourth Proportional to 28,844.70, 39,806.20 and 16,916.64

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Solution

The fourth proportional to 28,844.70, 39,806.20 and 16,916.64 is: 23,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.70 : 39,806.20 = 16,916.64 : x
  2. Step 2: Convert to fraction form
    28,844.70/39,806.20 = 16,916.64/x
  3. Step 3: Cross multiply
    28,844.70x = 39,806.20 × 16,916.64
  4. Step 4: Simplify right side
    28,844.70x = 673,386,913.85
  5. Step 5: Solve for x
    x = 673,386,913.85/28,844.70
  6. Step 6: Final answer
    x = 23,345.26

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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.