Home / 28,799.28-39,738.17-16,049.66

Finding the Fourth Proportional to 28,799.28, 39,738.17 and 16,049.66

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Solution

The fourth proportional to 28,799.28, 39,738.17 and 16,049.66 is: 22,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.28 : 39,738.17 = 16,049.66 : x
  2. Step 2: Convert to fraction form
    28,799.28/39,738.17 = 16,049.66/x
  3. Step 3: Cross multiply
    28,799.28x = 39,738.17 × 16,049.66
  4. Step 4: Simplify right side
    28,799.28x = 637,784,256.99
  5. Step 5: Solve for x
    x = 637,784,256.99/28,799.28
  6. Step 6: Final answer
    x = 22,145.84

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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.