Home / 27,423.55-41,138.97-12,635.79

Finding the Fourth Proportional to 27,423.55, 41,138.97 and 12,635.79

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Solution

The fourth proportional to 27,423.55, 41,138.97 and 12,635.79 is: 18,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.55 : 41,138.97 = 12,635.79 : x
  2. Step 2: Convert to fraction form
    27,423.55/41,138.97 = 12,635.79/x
  3. Step 3: Cross multiply
    27,423.55x = 41,138.97 × 12,635.79
  4. Step 4: Simplify right side
    27,423.55x = 519,823,385.74
  5. Step 5: Solve for x
    x = 519,823,385.74/27,423.55
  6. Step 6: Final answer
    x = 18,955.36

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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.