Home / 28,860.49-43,328.13-27,676

Finding the Fourth Proportional to 28,860.49, 43,328.13 and 27,676

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Solution

The fourth proportional to 28,860.49, 43,328.13 and 27,676 is: 41,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.49 : 43,328.13 = 27,676 : x
  2. Step 2: Convert to fraction form
    28,860.49/43,328.13 = 27,676/x
  3. Step 3: Cross multiply
    28,860.49x = 43,328.13 × 27,676
  4. Step 4: Simplify right side
    28,860.49x = 1,199,149,325.88
  5. Step 5: Solve for x
    x = 1,199,149,325.88/28,860.49
  6. Step 6: Final answer
    x = 41,549.86

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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.