Home / 27,638.55-41,455.89-6,862.05

Finding the Fourth Proportional to 27,638.55, 41,455.89 and 6,862.05

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Solution

The fourth proportional to 27,638.55, 41,455.89 and 6,862.05 is: 10,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.55 : 41,455.89 = 6,862.05 : x
  2. Step 2: Convert to fraction form
    27,638.55/41,455.89 = 6,862.05/x
  3. Step 3: Cross multiply
    27,638.55x = 41,455.89 × 6,862.05
  4. Step 4: Simplify right side
    27,638.55x = 284,472,389.97
  5. Step 5: Solve for x
    x = 284,472,389.97/27,638.55
  6. Step 6: Final answer
    x = 10,292.59

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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.