Home / 28,798.53-43,197.83-18,981.65

Finding the Fourth Proportional to 28,798.53, 43,197.83 and 18,981.65

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Solution

The fourth proportional to 28,798.53, 43,197.83 and 18,981.65 is: 28,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.53 : 43,197.83 = 18,981.65 : x
  2. Step 2: Convert to fraction form
    28,798.53/43,197.83 = 18,981.65/x
  3. Step 3: Cross multiply
    28,798.53x = 43,197.83 × 18,981.65
  4. Step 4: Simplify right side
    28,798.53x = 819,965,778.92
  5. Step 5: Solve for x
    x = 819,965,778.92/28,798.53
  6. Step 6: Final answer
    x = 28,472.49

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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.