Home / 28,425.36-39,251.76-17,833.20

Finding the Fourth Proportional to 28,425.36, 39,251.76 and 17,833.20

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Solution

The fourth proportional to 28,425.36, 39,251.76 and 17,833.20 is: 24,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425.36 : 39,251.76 = 17,833.20 : x
  2. Step 2: Convert to fraction form
    28,425.36/39,251.76 = 17,833.20/x
  3. Step 3: Cross multiply
    28,425.36x = 39,251.76 × 17,833.20
  4. Step 4: Simplify right side
    28,425.36x = 699,984,486.43
  5. Step 5: Solve for x
    x = 699,984,486.43/28,425.36
  6. Step 6: Final answer
    x = 24,625.35

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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.