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Finding the Fourth Proportional to 27,364.60, 40,982.10 and 18,551.80

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Solution

The fourth proportional to 27,364.60, 40,982.10 and 18,551.80 is: 27,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,364.60 : 40,982.10 = 18,551.80 : x
  2. Step 2: Convert to fraction form
    27,364.60/40,982.10 = 18,551.80/x
  3. Step 3: Cross multiply
    27,364.60x = 40,982.10 × 18,551.80
  4. Step 4: Simplify right side
    27,364.60x = 760,291,722.78
  5. Step 5: Solve for x
    x = 760,291,722.78/27,364.60
  6. Step 6: Final answer
    x = 27,783.77

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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.