Home / 28,854.45-43,302.18-11,324.28

Finding the Fourth Proportional to 28,854.45, 43,302.18 and 11,324.28

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Solution

The fourth proportional to 28,854.45, 43,302.18 and 11,324.28 is: 16,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.45 : 43,302.18 = 11,324.28 : x
  2. Step 2: Convert to fraction form
    28,854.45/43,302.18 = 11,324.28/x
  3. Step 3: Cross multiply
    28,854.45x = 43,302.18 × 11,324.28
  4. Step 4: Simplify right side
    28,854.45x = 490,366,010.93
  5. Step 5: Solve for x
    x = 490,366,010.93/28,854.45
  6. Step 6: Final answer
    x = 16,994.47

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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.