Home / 28,277.64-42,414.62-10,747.02

Finding the Fourth Proportional to 28,277.64, 42,414.62 and 10,747.02

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Solution

The fourth proportional to 28,277.64, 42,414.62 and 10,747.02 is: 16,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.64 : 42,414.62 = 10,747.02 : x
  2. Step 2: Convert to fraction form
    28,277.64/42,414.62 = 10,747.02/x
  3. Step 3: Cross multiply
    28,277.64x = 42,414.62 × 10,747.02
  4. Step 4: Simplify right side
    28,277.64x = 455,830,769.43
  5. Step 5: Solve for x
    x = 455,830,769.43/28,277.64
  6. Step 6: Final answer
    x = 16,119.83

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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.