Home / 28,733.18-39,644.03-16,799.45

Finding the Fourth Proportional to 28,733.18, 39,644.03 and 16,799.45

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Solution

The fourth proportional to 28,733.18, 39,644.03 and 16,799.45 is: 23,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.18 : 39,644.03 = 16,799.45 : x
  2. Step 2: Convert to fraction form
    28,733.18/39,644.03 = 16,799.45/x
  3. Step 3: Cross multiply
    28,733.18x = 39,644.03 × 16,799.45
  4. Step 4: Simplify right side
    28,733.18x = 665,997,743.56
  5. Step 5: Solve for x
    x = 665,997,743.56/28,733.18
  6. Step 6: Final answer
    x = 23,178.70

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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.