Home / 27,484.32-41,173.20-21,612

Finding the Fourth Proportional to 27,484.32, 41,173.20 and 21,612

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Solution

The fourth proportional to 27,484.32, 41,173.20 and 21,612 is: 32,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.32 : 41,173.20 = 21,612 : x
  2. Step 2: Convert to fraction form
    27,484.32/41,173.20 = 21,612/x
  3. Step 3: Cross multiply
    27,484.32x = 41,173.20 × 21,612
  4. Step 4: Simplify right side
    27,484.32x = 889,835,198.40
  5. Step 5: Solve for x
    x = 889,835,198.40/27,484.32
  6. Step 6: Final answer
    x = 32,376.10

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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.