Home / 28,880.38-43,195.49-17,005.85

Finding the Fourth Proportional to 28,880.38, 43,195.49 and 17,005.85

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Solution

The fourth proportional to 28,880.38, 43,195.49 and 17,005.85 is: 25,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.38 : 43,195.49 = 17,005.85 : x
  2. Step 2: Convert to fraction form
    28,880.38/43,195.49 = 17,005.85/x
  3. Step 3: Cross multiply
    28,880.38x = 43,195.49 × 17,005.85
  4. Step 4: Simplify right side
    28,880.38x = 734,575,722.61
  5. Step 5: Solve for x
    x = 734,575,722.61/28,880.38
  6. Step 6: Final answer
    x = 25,435.12

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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.