Home / 28,944.80-39,951.12-16,373.60

Finding the Fourth Proportional to 28,944.80, 39,951.12 and 16,373.60

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Solution

The fourth proportional to 28,944.80, 39,951.12 and 16,373.60 is: 22,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.80 : 39,951.12 = 16,373.60 : x
  2. Step 2: Convert to fraction form
    28,944.80/39,951.12 = 16,373.60/x
  3. Step 3: Cross multiply
    28,944.80x = 39,951.12 × 16,373.60
  4. Step 4: Simplify right side
    28,944.80x = 654,143,658.43
  5. Step 5: Solve for x
    x = 654,143,658.43/28,944.80
  6. Step 6: Final answer
    x = 22,599.70

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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.