Home / 29,385.81-40,551.69-16,809.75

Finding the Fourth Proportional to 29,385.81, 40,551.69 and 16,809.75

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Solution

The fourth proportional to 29,385.81, 40,551.69 and 16,809.75 is: 23,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.81 : 40,551.69 = 16,809.75 : x
  2. Step 2: Convert to fraction form
    29,385.81/40,551.69 = 16,809.75/x
  3. Step 3: Cross multiply
    29,385.81x = 40,551.69 × 16,809.75
  4. Step 4: Simplify right side
    29,385.81x = 681,663,770.98
  5. Step 5: Solve for x
    x = 681,663,770.98/29,385.81
  6. Step 6: Final answer
    x = 23,197.04

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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.