Home / 27,061.68-40,577.33-18,638.09

Finding the Fourth Proportional to 27,061.68, 40,577.33 and 18,638.09

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Solution

The fourth proportional to 27,061.68, 40,577.33 and 18,638.09 is: 27,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.68 : 40,577.33 = 18,638.09 : x
  2. Step 2: Convert to fraction form
    27,061.68/40,577.33 = 18,638.09/x
  3. Step 3: Cross multiply
    27,061.68x = 40,577.33 × 18,638.09
  4. Step 4: Simplify right side
    27,061.68x = 756,283,632.42
  5. Step 5: Solve for x
    x = 756,283,632.42/27,061.68
  6. Step 6: Final answer
    x = 27,946.66

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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.