Home / 28,150.07-38,872.91-18,096.01

Finding the Fourth Proportional to 28,150.07, 38,872.91 and 18,096.01

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Solution

The fourth proportional to 28,150.07, 38,872.91 and 18,096.01 is: 24,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.07 : 38,872.91 = 18,096.01 : x
  2. Step 2: Convert to fraction form
    28,150.07/38,872.91 = 18,096.01/x
  3. Step 3: Cross multiply
    28,150.07x = 38,872.91 × 18,096.01
  4. Step 4: Simplify right side
    28,150.07x = 703,444,516.15
  5. Step 5: Solve for x
    x = 703,444,516.15/28,150.07
  6. Step 6: Final answer
    x = 24,989.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.