Home / 25,896.20-38,855.10-8,371.40

Finding the Fourth Proportional to 25,896.20, 38,855.10 and 8,371.40

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Solution

The fourth proportional to 25,896.20, 38,855.10 and 8,371.40 is: 12,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.20 : 38,855.10 = 8,371.40 : x
  2. Step 2: Convert to fraction form
    25,896.20/38,855.10 = 8,371.40/x
  3. Step 3: Cross multiply
    25,896.20x = 38,855.10 × 8,371.40
  4. Step 4: Simplify right side
    25,896.20x = 325,271,584.14
  5. Step 5: Solve for x
    x = 325,271,584.14/25,896.20
  6. Step 6: Final answer
    x = 12,560.59

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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.