Home / 28,576.51-39,432.20-16,476.86

Finding the Fourth Proportional to 28,576.51, 39,432.20 and 16,476.86

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Solution

The fourth proportional to 28,576.51, 39,432.20 and 16,476.86 is: 22,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.51 : 39,432.20 = 16,476.86 : x
  2. Step 2: Convert to fraction form
    28,576.51/39,432.20 = 16,476.86/x
  3. Step 3: Cross multiply
    28,576.51x = 39,432.20 × 16,476.86
  4. Step 4: Simplify right side
    28,576.51x = 649,718,855.09
  5. Step 5: Solve for x
    x = 649,718,855.09/28,576.51
  6. Step 6: Final answer
    x = 22,736.12

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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.