Home / 28,301.30-39,043.68-17,672.48

Finding the Fourth Proportional to 28,301.30, 39,043.68 and 17,672.48

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Solution

The fourth proportional to 28,301.30, 39,043.68 and 17,672.48 is: 24,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.30 : 39,043.68 = 17,672.48 : x
  2. Step 2: Convert to fraction form
    28,301.30/39,043.68 = 17,672.48/x
  3. Step 3: Cross multiply
    28,301.30x = 39,043.68 × 17,672.48
  4. Step 4: Simplify right side
    28,301.30x = 689,998,653.93
  5. Step 5: Solve for x
    x = 689,998,653.93/28,301.30
  6. Step 6: Final answer
    x = 24,380.46

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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.