Home / 27,255.17-40,797.09-18,771.89

Finding the Fourth Proportional to 27,255.17, 40,797.09 and 18,771.89

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Solution

The fourth proportional to 27,255.17, 40,797.09 and 18,771.89 is: 28,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.17 : 40,797.09 = 18,771.89 : x
  2. Step 2: Convert to fraction form
    27,255.17/40,797.09 = 18,771.89/x
  3. Step 3: Cross multiply
    27,255.17x = 40,797.09 × 18,771.89
  4. Step 4: Simplify right side
    27,255.17x = 765,838,281.81
  5. Step 5: Solve for x
    x = 765,838,281.81/27,255.17
  6. Step 6: Final answer
    x = 28,098.82

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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.