Home / 29,206.89-43,827.21-12,338.64

Finding the Fourth Proportional to 29,206.89, 43,827.21 and 12,338.64

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Solution

The fourth proportional to 29,206.89, 43,827.21 and 12,338.64 is: 18,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,206.89 : 43,827.21 = 12,338.64 : x
  2. Step 2: Convert to fraction form
    29,206.89/43,827.21 = 12,338.64/x
  3. Step 3: Cross multiply
    29,206.89x = 43,827.21 × 12,338.64
  4. Step 4: Simplify right side
    29,206.89x = 540,768,166.39
  5. Step 5: Solve for x
    x = 540,768,166.39/29,206.89
  6. Step 6: Final answer
    x = 18,515.09

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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.