Home / 28,107.20-42,109.60-22,884.80

Finding the Fourth Proportional to 28,107.20, 42,109.60 and 22,884.80

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Solution

The fourth proportional to 28,107.20, 42,109.60 and 22,884.80 is: 34,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.20 : 42,109.60 = 22,884.80 : x
  2. Step 2: Convert to fraction form
    28,107.20/42,109.60 = 22,884.80/x
  3. Step 3: Cross multiply
    28,107.20x = 42,109.60 × 22,884.80
  4. Step 4: Simplify right side
    28,107.20x = 963,669,774.08
  5. Step 5: Solve for x
    x = 963,669,774.08/28,107.20
  6. Step 6: Final answer
    x = 34,285.51

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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.