Home / 28,536.57-39,389.49-19,596.60

Finding the Fourth Proportional to 28,536.57, 39,389.49 and 19,596.60

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Solution

The fourth proportional to 28,536.57, 39,389.49 and 19,596.60 is: 27,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.57 : 39,389.49 = 19,596.60 : x
  2. Step 2: Convert to fraction form
    28,536.57/39,389.49 = 19,596.60/x
  3. Step 3: Cross multiply
    28,536.57x = 39,389.49 × 19,596.60
  4. Step 4: Simplify right side
    28,536.57x = 771,900,079.73
  5. Step 5: Solve for x
    x = 771,900,079.73/28,536.57
  6. Step 6: Final answer
    x = 27,049.50

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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.