Home / 27,839.48-41,772.60-13,800.80

Finding the Fourth Proportional to 27,839.48, 41,772.60 and 13,800.80

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Solution

The fourth proportional to 27,839.48, 41,772.60 and 13,800.80 is: 20,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.48 : 41,772.60 = 13,800.80 : x
  2. Step 2: Convert to fraction form
    27,839.48/41,772.60 = 13,800.80/x
  3. Step 3: Cross multiply
    27,839.48x = 41,772.60 × 13,800.80
  4. Step 4: Simplify right side
    27,839.48x = 576,495,298.08
  5. Step 5: Solve for x
    x = 576,495,298.08/27,839.48
  6. Step 6: Final answer
    x = 20,707.83

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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.