Home / 27,846.43-38,407.37-18,158.02

Finding the Fourth Proportional to 27,846.43, 38,407.37 and 18,158.02

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Solution

The fourth proportional to 27,846.43, 38,407.37 and 18,158.02 is: 25,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.43 : 38,407.37 = 18,158.02 : x
  2. Step 2: Convert to fraction form
    27,846.43/38,407.37 = 18,158.02/x
  3. Step 3: Cross multiply
    27,846.43x = 38,407.37 × 18,158.02
  4. Step 4: Simplify right side
    27,846.43x = 697,401,821.84
  5. Step 5: Solve for x
    x = 697,401,821.84/27,846.43
  6. Step 6: Final answer
    x = 25,044.57

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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.