Home / 28,693.58-39,585.80-16,591.83

Finding the Fourth Proportional to 28,693.58, 39,585.80 and 16,591.83

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Solution

The fourth proportional to 28,693.58, 39,585.80 and 16,591.83 is: 22,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.58 : 39,585.80 = 16,591.83 : x
  2. Step 2: Convert to fraction form
    28,693.58/39,585.80 = 16,591.83/x
  3. Step 3: Cross multiply
    28,693.58x = 39,585.80 × 16,591.83
  4. Step 4: Simplify right side
    28,693.58x = 656,800,781.05
  5. Step 5: Solve for x
    x = 656,800,781.05/28,693.58
  6. Step 6: Final answer
    x = 22,890.17

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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.