Home / 28,067.38-42,072.59-23,970.86

Finding the Fourth Proportional to 28,067.38, 42,072.59 and 23,970.86

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Solution

The fourth proportional to 28,067.38, 42,072.59 and 23,970.86 is: 35,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.38 : 42,072.59 = 23,970.86 : x
  2. Step 2: Convert to fraction form
    28,067.38/42,072.59 = 23,970.86/x
  3. Step 3: Cross multiply
    28,067.38x = 42,072.59 × 23,970.86
  4. Step 4: Simplify right side
    28,067.38x = 1,008,515,939.69
  5. Step 5: Solve for x
    x = 1,008,515,939.69/28,067.38
  6. Step 6: Final answer
    x = 35,931.96

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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.