Home / 28,613.70-39,487.32-16,038.54

Finding the Fourth Proportional to 28,613.70, 39,487.32 and 16,038.54

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Solution

The fourth proportional to 28,613.70, 39,487.32 and 16,038.54 is: 22,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.70 : 39,487.32 = 16,038.54 : x
  2. Step 2: Convert to fraction form
    28,613.70/39,487.32 = 16,038.54/x
  3. Step 3: Cross multiply
    28,613.70x = 39,487.32 × 16,038.54
  4. Step 4: Simplify right side
    28,613.70x = 633,318,961.31
  5. Step 5: Solve for x
    x = 633,318,961.31/28,613.70
  6. Step 6: Final answer
    x = 22,133.42

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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.