Home / 28,390.54-39,177.04-16,451.74

Finding the Fourth Proportional to 28,390.54, 39,177.04 and 16,451.74

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Solution

The fourth proportional to 28,390.54, 39,177.04 and 16,451.74 is: 22,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390.54 : 39,177.04 = 16,451.74 : x
  2. Step 2: Convert to fraction form
    28,390.54/39,177.04 = 16,451.74/x
  3. Step 3: Cross multiply
    28,390.54x = 39,177.04 × 16,451.74
  4. Step 4: Simplify right side
    28,390.54x = 644,530,476.05
  5. Step 5: Solve for x
    x = 644,530,476.05/28,390.54
  6. Step 6: Final answer
    x = 22,702.30

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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.