Home / 28,830.60-43,278.30-22,285.80

Finding the Fourth Proportional to 28,830.60, 43,278.30 and 22,285.80

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Solution

The fourth proportional to 28,830.60, 43,278.30 and 22,285.80 is: 33,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.60 : 43,278.30 = 22,285.80 : x
  2. Step 2: Convert to fraction form
    28,830.60/43,278.30 = 22,285.80/x
  3. Step 3: Cross multiply
    28,830.60x = 43,278.30 × 22,285.80
  4. Step 4: Simplify right side
    28,830.60x = 964,491,538.14
  5. Step 5: Solve for x
    x = 964,491,538.14/28,830.60
  6. Step 6: Final answer
    x = 33,453.74

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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.