Home / 28,835.78-39,793.56-16,089.74

Finding the Fourth Proportional to 28,835.78, 39,793.56 and 16,089.74

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Solution

The fourth proportional to 28,835.78, 39,793.56 and 16,089.74 is: 22,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.78 : 39,793.56 = 16,089.74 : x
  2. Step 2: Convert to fraction form
    28,835.78/39,793.56 = 16,089.74/x
  3. Step 3: Cross multiply
    28,835.78x = 39,793.56 × 16,089.74
  4. Step 4: Simplify right side
    28,835.78x = 640,268,034.07
  5. Step 5: Solve for x
    x = 640,268,034.07/28,835.78
  6. Step 6: Final answer
    x = 22,203.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.