Home / 28,704.98-43,060.76-13,903.19

Finding the Fourth Proportional to 28,704.98, 43,060.76 and 13,903.19

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Solution

The fourth proportional to 28,704.98, 43,060.76 and 13,903.19 is: 20,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.98 : 43,060.76 = 13,903.19 : x
  2. Step 2: Convert to fraction form
    28,704.98/43,060.76 = 13,903.19/x
  3. Step 3: Cross multiply
    28,704.98x = 43,060.76 × 13,903.19
  4. Step 4: Simplify right side
    28,704.98x = 598,682,177.04
  5. Step 5: Solve for x
    x = 598,682,177.04/28,704.98
  6. Step 6: Final answer
    x = 20,856.39

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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.