Home / 28,250.76-42,376.44-8,529.48

Finding the Fourth Proportional to 28,250.76, 42,376.44 and 8,529.48

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Solution

The fourth proportional to 28,250.76, 42,376.44 and 8,529.48 is: 12,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.76 : 42,376.44 = 8,529.48 : x
  2. Step 2: Convert to fraction form
    28,250.76/42,376.44 = 8,529.48/x
  3. Step 3: Cross multiply
    28,250.76x = 42,376.44 × 8,529.48
  4. Step 4: Simplify right side
    28,250.76x = 361,448,997.45
  5. Step 5: Solve for x
    x = 361,448,997.45/28,250.76
  6. Step 6: Final answer
    x = 12,794.31

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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.