Home / 28,751.68-43,112.94-13,155.94

Finding the Fourth Proportional to 28,751.68, 43,112.94 and 13,155.94

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Solution

The fourth proportional to 28,751.68, 43,112.94 and 13,155.94 is: 19,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.68 : 43,112.94 = 13,155.94 : x
  2. Step 2: Convert to fraction form
    28,751.68/43,112.94 = 13,155.94/x
  3. Step 3: Cross multiply
    28,751.68x = 43,112.94 × 13,155.94
  4. Step 4: Simplify right side
    28,751.68x = 567,191,251.86
  5. Step 5: Solve for x
    x = 567,191,251.86/28,751.68
  6. Step 6: Final answer
    x = 19,727.24

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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.