Home / 25,996.09-38,997.38-8,461.21

Finding the Fourth Proportional to 25,996.09, 38,997.38 and 8,461.21

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Solution

The fourth proportional to 25,996.09, 38,997.38 and 8,461.21 is: 12,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.09 : 38,997.38 = 8,461.21 : x
  2. Step 2: Convert to fraction form
    25,996.09/38,997.38 = 8,461.21/x
  3. Step 3: Cross multiply
    25,996.09x = 38,997.38 × 8,461.21
  4. Step 4: Simplify right side
    25,996.09x = 329,964,979.32
  5. Step 5: Solve for x
    x = 329,964,979.32/25,996.09
  6. Step 6: Final answer
    x = 12,692.87

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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.