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Finding the Fourth Proportional to 29,213.89, 43,826.28 and 9,487.15

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Solution

The fourth proportional to 29,213.89, 43,826.28 and 9,487.15 is: 14,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,213.89 : 43,826.28 = 9,487.15 : x
  2. Step 2: Convert to fraction form
    29,213.89/43,826.28 = 9,487.15/x
  3. Step 3: Cross multiply
    29,213.89x = 43,826.28 × 9,487.15
  4. Step 4: Simplify right side
    29,213.89x = 415,786,492.30
  5. Step 5: Solve for x
    x = 415,786,492.30/29,213.89
  6. Step 6: Final answer
    x = 14,232.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.