Home / 27,281.79-40,914.46-17,921.43

Finding the Fourth Proportional to 27,281.79, 40,914.46 and 17,921.43

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Solution

The fourth proportional to 27,281.79, 40,914.46 and 17,921.43 is: 26,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.79 : 40,914.46 = 17,921.43 : x
  2. Step 2: Convert to fraction form
    27,281.79/40,914.46 = 17,921.43/x
  3. Step 3: Cross multiply
    27,281.79x = 40,914.46 × 17,921.43
  4. Step 4: Simplify right side
    27,281.79x = 733,245,630.88
  5. Step 5: Solve for x
    x = 733,245,630.88/27,281.79
  6. Step 6: Final answer
    x = 26,876.74

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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.