Home / 28,903.10-43,379.26-11,385.23

Finding the Fourth Proportional to 28,903.10, 43,379.26 and 11,385.23

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Solution

The fourth proportional to 28,903.10, 43,379.26 and 11,385.23 is: 17,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.10 : 43,379.26 = 11,385.23 : x
  2. Step 2: Convert to fraction form
    28,903.10/43,379.26 = 11,385.23/x
  3. Step 3: Cross multiply
    28,903.10x = 43,379.26 × 11,385.23
  4. Step 4: Simplify right side
    28,903.10x = 493,882,852.33
  5. Step 5: Solve for x
    x = 493,882,852.33/28,903.10
  6. Step 6: Final answer
    x = 17,087.54

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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.