Home / 28,965.10-43,373.18-20,067.76

Finding the Fourth Proportional to 28,965.10, 43,373.18 and 20,067.76

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Solution

The fourth proportional to 28,965.10, 43,373.18 and 20,067.76 is: 30,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.10 : 43,373.18 = 20,067.76 : x
  2. Step 2: Convert to fraction form
    28,965.10/43,373.18 = 20,067.76/x
  3. Step 3: Cross multiply
    28,965.10x = 43,373.18 × 20,067.76
  4. Step 4: Simplify right side
    28,965.10x = 870,402,566.68
  5. Step 5: Solve for x
    x = 870,402,566.68/28,965.10
  6. Step 6: Final answer
    x = 30,050.05

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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.