Home / 28,786.56-43,202.88-14,939.52

Finding the Fourth Proportional to 28,786.56, 43,202.88 and 14,939.52

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Solution

The fourth proportional to 28,786.56, 43,202.88 and 14,939.52 is: 22,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.56 : 43,202.88 = 14,939.52 : x
  2. Step 2: Convert to fraction form
    28,786.56/43,202.88 = 14,939.52/x
  3. Step 3: Cross multiply
    28,786.56x = 43,202.88 × 14,939.52
  4. Step 4: Simplify right side
    28,786.56x = 645,430,289.82
  5. Step 5: Solve for x
    x = 645,430,289.82/28,786.56
  6. Step 6: Final answer
    x = 22,421.24

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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.