Home / 28,756.98-43,139.72-14,724.94

Finding the Fourth Proportional to 28,756.98, 43,139.72 and 14,724.94

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Solution

The fourth proportional to 28,756.98, 43,139.72 and 14,724.94 is: 22,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.98 : 43,139.72 = 14,724.94 : x
  2. Step 2: Convert to fraction form
    28,756.98/43,139.72 = 14,724.94/x
  3. Step 3: Cross multiply
    28,756.98x = 43,139.72 × 14,724.94
  4. Step 4: Simplify right side
    28,756.98x = 635,229,788.62
  5. Step 5: Solve for x
    x = 635,229,788.62/28,756.98
  6. Step 6: Final answer
    x = 22,089.59

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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.