Home / 28,829.28-43,220.88-11,295.84

Finding the Fourth Proportional to 28,829.28, 43,220.88 and 11,295.84

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Solution

The fourth proportional to 28,829.28, 43,220.88 and 11,295.84 is: 16,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.28 : 43,220.88 = 11,295.84 : x
  2. Step 2: Convert to fraction form
    28,829.28/43,220.88 = 11,295.84/x
  3. Step 3: Cross multiply
    28,829.28x = 43,220.88 × 11,295.84
  4. Step 4: Simplify right side
    28,829.28x = 488,216,145.14
  5. Step 5: Solve for x
    x = 488,216,145.14/28,829.28
  6. Step 6: Final answer
    x = 16,934.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.