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Finding the Fourth Proportional to 29,991.96, 41,389.08 and 16,562.96

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Solution

The fourth proportional to 29,991.96, 41,389.08 and 16,562.96 is: 22,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.96 : 41,389.08 = 16,562.96 : x
  2. Step 2: Convert to fraction form
    29,991.96/41,389.08 = 16,562.96/x
  3. Step 3: Cross multiply
    29,991.96x = 41,389.08 × 16,562.96
  4. Step 4: Simplify right side
    29,991.96x = 685,525,676.48
  5. Step 5: Solve for x
    x = 685,525,676.48/29,991.96
  6. Step 6: Final answer
    x = 22,856.98

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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.