Home / 25,912.50-38,852.12-12,398.10

Finding the Fourth Proportional to 25,912.50, 38,852.12 and 12,398.10

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Solution

The fourth proportional to 25,912.50, 38,852.12 and 12,398.10 is: 18,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.50 : 38,852.12 = 12,398.10 : x
  2. Step 2: Convert to fraction form
    25,912.50/38,852.12 = 12,398.10/x
  3. Step 3: Cross multiply
    25,912.50x = 38,852.12 × 12,398.10
  4. Step 4: Simplify right side
    25,912.50x = 481,692,212.72
  5. Step 5: Solve for x
    x = 481,692,212.72/25,912.50
  6. Step 6: Final answer
    x = 18,589.19

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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.