Home / 28,514.10-39,348.30-16,576.50

Finding the Fourth Proportional to 28,514.10, 39,348.30 and 16,576.50

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Solution

The fourth proportional to 28,514.10, 39,348.30 and 16,576.50 is: 22,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.10 : 39,348.30 = 16,576.50 : x
  2. Step 2: Convert to fraction form
    28,514.10/39,348.30 = 16,576.50/x
  3. Step 3: Cross multiply
    28,514.10x = 39,348.30 × 16,576.50
  4. Step 4: Simplify right side
    28,514.10x = 652,257,094.95
  5. Step 5: Solve for x
    x = 652,257,094.95/28,514.10
  6. Step 6: Final answer
    x = 22,874.90

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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.