Home / 25,966.44-38,960.40-12,450.76

Finding the Fourth Proportional to 25,966.44, 38,960.40 and 12,450.76

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Solution

The fourth proportional to 25,966.44, 38,960.40 and 12,450.76 is: 18,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.44 : 38,960.40 = 12,450.76 : x
  2. Step 2: Convert to fraction form
    25,966.44/38,960.40 = 12,450.76/x
  3. Step 3: Cross multiply
    25,966.44x = 38,960.40 × 12,450.76
  4. Step 4: Simplify right side
    25,966.44x = 485,086,589.90
  5. Step 5: Solve for x
    x = 485,086,589.90/25,966.44
  6. Step 6: Final answer
    x = 18,681.29

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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.