Home / 28,899.19-43,348.78-8,122.69

Finding the Fourth Proportional to 28,899.19, 43,348.78 and 8,122.69

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Solution

The fourth proportional to 28,899.19, 43,348.78 and 8,122.69 is: 12,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.19 : 43,348.78 = 8,122.69 : x
  2. Step 2: Convert to fraction form
    28,899.19/43,348.78 = 8,122.69/x
  3. Step 3: Cross multiply
    28,899.19x = 43,348.78 × 8,122.69
  4. Step 4: Simplify right side
    28,899.19x = 352,108,701.82
  5. Step 5: Solve for x
    x = 352,108,701.82/28,899.19
  6. Step 6: Final answer
    x = 12,184.03

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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.