Home / 28,737.75-39,660.54-16,164.93

Finding the Fourth Proportional to 28,737.75, 39,660.54 and 16,164.93

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Solution

The fourth proportional to 28,737.75, 39,660.54 and 16,164.93 is: 22,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.75 : 39,660.54 = 16,164.93 : x
  2. Step 2: Convert to fraction form
    28,737.75/39,660.54 = 16,164.93/x
  3. Step 3: Cross multiply
    28,737.75x = 39,660.54 × 16,164.93
  4. Step 4: Simplify right side
    28,737.75x = 641,109,852.86
  5. Step 5: Solve for x
    x = 641,109,852.86/28,737.75
  6. Step 6: Final answer
    x = 22,308.98

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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.