Home / 28,816.43-39,766.85-16,070.42

Finding the Fourth Proportional to 28,816.43, 39,766.85 and 16,070.42

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Solution

The fourth proportional to 28,816.43, 39,766.85 and 16,070.42 is: 22,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.43 : 39,766.85 = 16,070.42 : x
  2. Step 2: Convert to fraction form
    28,816.43/39,766.85 = 16,070.42/x
  3. Step 3: Cross multiply
    28,816.43x = 39,766.85 × 16,070.42
  4. Step 4: Simplify right side
    28,816.43x = 639,069,702.39
  5. Step 5: Solve for x
    x = 639,069,702.39/28,816.43
  6. Step 6: Final answer
    x = 22,177.27

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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.