Home / 27,227.40-40,816.44-18,911.34

Finding the Fourth Proportional to 27,227.40, 40,816.44 and 18,911.34

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Solution

The fourth proportional to 27,227.40, 40,816.44 and 18,911.34 is: 28,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,227.40 : 40,816.44 = 18,911.34 : x
  2. Step 2: Convert to fraction form
    27,227.40/40,816.44 = 18,911.34/x
  3. Step 3: Cross multiply
    27,227.40x = 40,816.44 × 18,911.34
  4. Step 4: Simplify right side
    27,227.40x = 771,893,574.43
  5. Step 5: Solve for x
    x = 771,893,574.43/27,227.40
  6. Step 6: Final answer
    x = 28,349.88

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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.