Home / 28,901.09-43,348.14-7,839.83

Finding the Fourth Proportional to 28,901.09, 43,348.14 and 7,839.83

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Solution

The fourth proportional to 28,901.09, 43,348.14 and 7,839.83 is: 11,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.09 : 43,348.14 = 7,839.83 : x
  2. Step 2: Convert to fraction form
    28,901.09/43,348.14 = 7,839.83/x
  3. Step 3: Cross multiply
    28,901.09x = 43,348.14 × 7,839.83
  4. Step 4: Simplify right side
    28,901.09x = 339,842,156.79
  5. Step 5: Solve for x
    x = 339,842,156.79/28,901.09
  6. Step 6: Final answer
    x = 11,758.80

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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.