Home / 25,816.20-38,728.35-11,025.18

Finding the Fourth Proportional to 25,816.20, 38,728.35 and 11,025.18

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Solution

The fourth proportional to 25,816.20, 38,728.35 and 11,025.18 is: 16,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.20 : 38,728.35 = 11,025.18 : x
  2. Step 2: Convert to fraction form
    25,816.20/38,728.35 = 11,025.18/x
  3. Step 3: Cross multiply
    25,816.20x = 38,728.35 × 11,025.18
  4. Step 4: Simplify right side
    25,816.20x = 426,987,029.85
  5. Step 5: Solve for x
    x = 426,987,029.85/25,816.20
  6. Step 6: Final answer
    x = 16,539.50

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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.