Home / 28,412.74-39,200.88-16,473.68

Finding the Fourth Proportional to 28,412.74, 39,200.88 and 16,473.68

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Solution

The fourth proportional to 28,412.74, 39,200.88 and 16,473.68 is: 22,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.74 : 39,200.88 = 16,473.68 : x
  2. Step 2: Convert to fraction form
    28,412.74/39,200.88 = 16,473.68/x
  3. Step 3: Cross multiply
    28,412.74x = 39,200.88 × 16,473.68
  4. Step 4: Simplify right side
    28,412.74x = 645,782,752.84
  5. Step 5: Solve for x
    x = 645,782,752.84/28,412.74
  6. Step 6: Final answer
    x = 22,728.63

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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.