Home / 27,586.20-41,379.30-21,681.30

Finding the Fourth Proportional to 27,586.20, 41,379.30 and 21,681.30

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Solution

The fourth proportional to 27,586.20, 41,379.30 and 21,681.30 is: 32,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.20 : 41,379.30 = 21,681.30 : x
  2. Step 2: Convert to fraction form
    27,586.20/41,379.30 = 21,681.30/x
  3. Step 3: Cross multiply
    27,586.20x = 41,379.30 × 21,681.30
  4. Step 4: Simplify right side
    27,586.20x = 897,157,017.09
  5. Step 5: Solve for x
    x = 897,157,017.09/27,586.20
  6. Step 6: Final answer
    x = 32,521.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.