Home / 28,514.62-39,343.69-16,416.46

Finding the Fourth Proportional to 28,514.62, 39,343.69 and 16,416.46

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Solution

The fourth proportional to 28,514.62, 39,343.69 and 16,416.46 is: 22,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.62 : 39,343.69 = 16,416.46 : x
  2. Step 2: Convert to fraction form
    28,514.62/39,343.69 = 16,416.46/x
  3. Step 3: Cross multiply
    28,514.62x = 39,343.69 × 16,416.46
  4. Step 4: Simplify right side
    28,514.62x = 645,884,113.14
  5. Step 5: Solve for x
    x = 645,884,113.14/28,514.62
  6. Step 6: Final answer
    x = 22,650.98

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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.