Home / 28,733.84-43,091-11,208.72

Finding the Fourth Proportional to 28,733.84, 43,091 and 11,208.72

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Solution

The fourth proportional to 28,733.84, 43,091 and 11,208.72 is: 16,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.84 : 43,091 = 11,208.72 : x
  2. Step 2: Convert to fraction form
    28,733.84/43,091 = 11,208.72/x
  3. Step 3: Cross multiply
    28,733.84x = 43,091 × 11,208.72
  4. Step 4: Simplify right side
    28,733.84x = 482,994,953.52
  5. Step 5: Solve for x
    x = 482,994,953.52/28,733.84
  6. Step 6: Final answer
    x = 16,809.27

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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.