Home / 25,776.73-38,665.05-8,247.88

Finding the Fourth Proportional to 25,776.73, 38,665.05 and 8,247.88

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Solution

The fourth proportional to 25,776.73, 38,665.05 and 8,247.88 is: 12,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.73 : 38,665.05 = 8,247.88 : x
  2. Step 2: Convert to fraction form
    25,776.73/38,665.05 = 8,247.88/x
  3. Step 3: Cross multiply
    25,776.73x = 38,665.05 × 8,247.88
  4. Step 4: Simplify right side
    25,776.73x = 318,904,692.59
  5. Step 5: Solve for x
    x = 318,904,692.59/25,776.73
  6. Step 6: Final answer
    x = 12,371.81

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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.