Home / 28,907.10-43,385.26-11,389.23

Finding the Fourth Proportional to 28,907.10, 43,385.26 and 11,389.23

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Solution

The fourth proportional to 28,907.10, 43,385.26 and 11,389.23 is: 17,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.10 : 43,385.26 = 11,389.23 : x
  2. Step 2: Convert to fraction form
    28,907.10/43,385.26 = 11,389.23/x
  3. Step 3: Cross multiply
    28,907.10x = 43,385.26 × 11,389.23
  4. Step 4: Simplify right side
    28,907.10x = 494,124,704.75
  5. Step 5: Solve for x
    x = 494,124,704.75/28,907.10
  6. Step 6: Final answer
    x = 17,093.54

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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.