Home / 28,272.66-42,161.79-24,778.86

Finding the Fourth Proportional to 28,272.66, 42,161.79 and 24,778.86

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Solution

The fourth proportional to 28,272.66, 42,161.79 and 24,778.86 is: 36,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.66 : 42,161.79 = 24,778.86 : x
  2. Step 2: Convert to fraction form
    28,272.66/42,161.79 = 24,778.86/x
  3. Step 3: Cross multiply
    28,272.66x = 42,161.79 × 24,778.86
  4. Step 4: Simplify right side
    28,272.66x = 1,044,721,091.76
  5. Step 5: Solve for x
    x = 1,044,721,091.76/28,272.66
  6. Step 6: Final answer
    x = 36,951.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.