Home / 27,586.20-41,427.90-21,361.35

Finding the Fourth Proportional to 27,586.20, 41,427.90 and 21,361.35

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Solution

The fourth proportional to 27,586.20, 41,427.90 and 21,361.35 is: 32,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.20 : 41,427.90 = 21,361.35 : x
  2. Step 2: Convert to fraction form
    27,586.20/41,427.90 = 21,361.35/x
  3. Step 3: Cross multiply
    27,586.20x = 41,427.90 × 21,361.35
  4. Step 4: Simplify right side
    27,586.20x = 884,955,871.67
  5. Step 5: Solve for x
    x = 884,955,871.67/27,586.20
  6. Step 6: Final answer
    x = 32,079.66

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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.