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Finding the Fourth Proportional to 22,692.69, 34,028.24 and 7,899.80

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Solution

The fourth proportional to 22,692.69, 34,028.24 and 7,899.80 is: 11,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.69 : 34,028.24 = 7,899.80 : x
  2. Step 2: Convert to fraction form
    22,692.69/34,028.24 = 7,899.80/x
  3. Step 3: Cross multiply
    22,692.69x = 34,028.24 × 7,899.80
  4. Step 4: Simplify right side
    22,692.69x = 268,816,080.71
  5. Step 5: Solve for x
    x = 268,816,080.71/22,692.69
  6. Step 6: Final answer
    x = 11,845.93

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1.5x scale

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.