Home / 28,350.56-42,525.84-12,749.96

Finding the Fourth Proportional to 28,350.56, 42,525.84 and 12,749.96

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Solution

The fourth proportional to 28,350.56, 42,525.84 and 12,749.96 is: 19,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.56 : 42,525.84 = 12,749.96 : x
  2. Step 2: Convert to fraction form
    28,350.56/42,525.84 = 12,749.96/x
  3. Step 3: Cross multiply
    28,350.56x = 42,525.84 × 12,749.96
  4. Step 4: Simplify right side
    28,350.56x = 542,202,758.97
  5. Step 5: Solve for x
    x = 542,202,758.97/28,350.56
  6. Step 6: Final answer
    x = 19,124.94

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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.