Home / 28,416.74-39,217.24-16,479.97

Finding the Fourth Proportional to 28,416.74, 39,217.24 and 16,479.97

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Solution

The fourth proportional to 28,416.74, 39,217.24 and 16,479.97 is: 22,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.74 : 39,217.24 = 16,479.97 : x
  2. Step 2: Convert to fraction form
    28,416.74/39,217.24 = 16,479.97/x
  3. Step 3: Cross multiply
    28,416.74x = 39,217.24 × 16,479.97
  4. Step 4: Simplify right side
    28,416.74x = 646,298,938.68
  5. Step 5: Solve for x
    x = 646,298,938.68/28,416.74
  6. Step 6: Final answer
    x = 22,743.60

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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.