Home / 28,613.32-39,482.44-16,667.44

Finding the Fourth Proportional to 28,613.32, 39,482.44 and 16,667.44

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Solution

The fourth proportional to 28,613.32, 39,482.44 and 16,667.44 is: 22,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.32 : 39,482.44 = 16,667.44 : x
  2. Step 2: Convert to fraction form
    28,613.32/39,482.44 = 16,667.44/x
  3. Step 3: Cross multiply
    28,613.32x = 39,482.44 × 16,667.44
  4. Step 4: Simplify right side
    28,613.32x = 658,071,059.38
  5. Step 5: Solve for x
    x = 658,071,059.38/28,613.32
  6. Step 6: Final answer
    x = 22,998.77

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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.