Home / 25,380.22-38,069.45-6,660.11

Finding the Fourth Proportional to 25,380.22, 38,069.45 and 6,660.11

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Solution

The fourth proportional to 25,380.22, 38,069.45 and 6,660.11 is: 9,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.22 : 38,069.45 = 6,660.11 : x
  2. Step 2: Convert to fraction form
    25,380.22/38,069.45 = 6,660.11/x
  3. Step 3: Cross multiply
    25,380.22x = 38,069.45 × 6,660.11
  4. Step 4: Simplify right side
    25,380.22x = 253,546,724.64
  5. Step 5: Solve for x
    x = 253,546,724.64/25,380.22
  6. Step 6: Final answer
    x = 9,989.93

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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.