Home / 29,515.03-40,728.76-16,770.89

Finding the Fourth Proportional to 29,515.03, 40,728.76 and 16,770.89

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Solution

The fourth proportional to 29,515.03, 40,728.76 and 16,770.89 is: 23,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.03 : 40,728.76 = 16,770.89 : x
  2. Step 2: Convert to fraction form
    29,515.03/40,728.76 = 16,770.89/x
  3. Step 3: Cross multiply
    29,515.03x = 40,728.76 × 16,770.89
  4. Step 4: Simplify right side
    29,515.03x = 683,057,613.69
  5. Step 5: Solve for x
    x = 683,057,613.69/29,515.03
  6. Step 6: Final answer
    x = 23,142.71

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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.