Home / 28,576.54-39,432.25-16,476.89

Finding the Fourth Proportional to 28,576.54, 39,432.25 and 16,476.89

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Solution

The fourth proportional to 28,576.54, 39,432.25 and 16,476.89 is: 22,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.54 : 39,432.25 = 16,476.89 : x
  2. Step 2: Convert to fraction form
    28,576.54/39,432.25 = 16,476.89/x
  3. Step 3: Cross multiply
    28,576.54x = 39,432.25 × 16,476.89
  4. Step 4: Simplify right side
    28,576.54x = 649,720,845.70
  5. Step 5: Solve for x
    x = 649,720,845.70/28,576.54
  6. Step 6: Final answer
    x = 22,736.16

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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.