Home / 28,636.27-39,518.35-16,535.88

Finding the Fourth Proportional to 28,636.27, 39,518.35 and 16,535.88

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Solution

The fourth proportional to 28,636.27, 39,518.35 and 16,535.88 is: 22,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.27 : 39,518.35 = 16,535.88 : x
  2. Step 2: Convert to fraction form
    28,636.27/39,518.35 = 16,535.88/x
  3. Step 3: Cross multiply
    28,636.27x = 39,518.35 × 16,535.88
  4. Step 4: Simplify right side
    28,636.27x = 653,470,652.06
  5. Step 5: Solve for x
    x = 653,470,652.06/28,636.27
  6. Step 6: Final answer
    x = 22,819.69

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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.