Home / 25,936.20-38,904.30-20,104.20

Finding the Fourth Proportional to 25,936.20, 38,904.30 and 20,104.20

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Solution

The fourth proportional to 25,936.20, 38,904.30 and 20,104.20 is: 30,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,936.20 : 38,904.30 = 20,104.20 : x
  2. Step 2: Convert to fraction form
    25,936.20/38,904.30 = 20,104.20/x
  3. Step 3: Cross multiply
    25,936.20x = 38,904.30 × 20,104.20
  4. Step 4: Simplify right side
    25,936.20x = 782,139,828.06
  5. Step 5: Solve for x
    x = 782,139,828.06/25,936.20
  6. Step 6: Final answer
    x = 30,156.30

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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.