Home / 28,880.20-43,287.90-14,834.80

Finding the Fourth Proportional to 28,880.20, 43,287.90 and 14,834.80

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Solution

The fourth proportional to 28,880.20, 43,287.90 and 14,834.80 is: 22,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.20 : 43,287.90 = 14,834.80 : x
  2. Step 2: Convert to fraction form
    28,880.20/43,287.90 = 14,834.80/x
  3. Step 3: Cross multiply
    28,880.20x = 43,287.90 × 14,834.80
  4. Step 4: Simplify right side
    28,880.20x = 642,167,338.92
  5. Step 5: Solve for x
    x = 642,167,338.92/28,880.20
  6. Step 6: Final answer
    x = 22,235.56

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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.