Home / 28,212.96-42,423.12-27,072.48

Finding the Fourth Proportional to 28,212.96, 42,423.12 and 27,072.48

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Solution

The fourth proportional to 28,212.96, 42,423.12 and 27,072.48 is: 40,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.96 : 42,423.12 = 27,072.48 : x
  2. Step 2: Convert to fraction form
    28,212.96/42,423.12 = 27,072.48/x
  3. Step 3: Cross multiply
    28,212.96x = 42,423.12 × 27,072.48
  4. Step 4: Simplify right side
    28,212.96x = 1,148,499,067.74
  5. Step 5: Solve for x
    x = 1,148,499,067.74/28,212.96
  6. Step 6: Final answer
    x = 40,708.21

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1.5x scale

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.