Home / 27,630.40-41,445.88-22,118.78

Finding the Fourth Proportional to 27,630.40, 41,445.88 and 22,118.78

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Solution

The fourth proportional to 27,630.40, 41,445.88 and 22,118.78 is: 33,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.40 : 41,445.88 = 22,118.78 : x
  2. Step 2: Convert to fraction form
    27,630.40/41,445.88 = 22,118.78/x
  3. Step 3: Cross multiply
    27,630.40x = 41,445.88 × 22,118.78
  4. Step 4: Simplify right side
    27,630.40x = 916,732,039.10
  5. Step 5: Solve for x
    x = 916,732,039.10/27,630.40
  6. Step 6: Final answer
    x = 33,178.39

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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.