Home / 28,872.66-39,882.53-23,228.67

Finding the Fourth Proportional to 28,872.66, 39,882.53 and 23,228.67

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Solution

The fourth proportional to 28,872.66, 39,882.53 and 23,228.67 is: 32,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.66 : 39,882.53 = 23,228.67 : x
  2. Step 2: Convert to fraction form
    28,872.66/39,882.53 = 23,228.67/x
  3. Step 3: Cross multiply
    28,872.66x = 39,882.53 × 23,228.67
  4. Step 4: Simplify right side
    28,872.66x = 926,418,128.14
  5. Step 5: Solve for x
    x = 926,418,128.14/28,872.66
  6. Step 6: Final answer
    x = 32,086.34

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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.