Home / 28,416.99-39,217.58-16,480.22

Finding the Fourth Proportional to 28,416.99, 39,217.58 and 16,480.22

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Solution

The fourth proportional to 28,416.99, 39,217.58 and 16,480.22 is: 22,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.99 : 39,217.58 = 16,480.22 : x
  2. Step 2: Convert to fraction form
    28,416.99/39,217.58 = 16,480.22/x
  3. Step 3: Cross multiply
    28,416.99x = 39,217.58 × 16,480.22
  4. Step 4: Simplify right side
    28,416.99x = 646,314,346.27
  5. Step 5: Solve for x
    x = 646,314,346.27/28,416.99
  6. Step 6: Final answer
    x = 22,743.94

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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.