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Finding the Fourth Proportional to 29,644.48, 40,913.30 and 16,902.27

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Solution

The fourth proportional to 29,644.48, 40,913.30 and 16,902.27 is: 23,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.48 : 40,913.30 = 16,902.27 : x
  2. Step 2: Convert to fraction form
    29,644.48/40,913.30 = 16,902.27/x
  3. Step 3: Cross multiply
    29,644.48x = 40,913.30 × 16,902.27
  4. Step 4: Simplify right side
    29,644.48x = 691,527,685.45
  5. Step 5: Solve for x
    x = 691,527,685.45/29,644.48
  6. Step 6: Final answer
    x = 23,327.37

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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.