Home / 27,234.40-40,851.60-19,400.80

Finding the Fourth Proportional to 27,234.40, 40,851.60 and 19,400.80

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Solution

The fourth proportional to 27,234.40, 40,851.60 and 19,400.80 is: 29,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,234.40 : 40,851.60 = 19,400.80 : x
  2. Step 2: Convert to fraction form
    27,234.40/40,851.60 = 19,400.80/x
  3. Step 3: Cross multiply
    27,234.40x = 40,851.60 × 19,400.80
  4. Step 4: Simplify right side
    27,234.40x = 792,553,721.28
  5. Step 5: Solve for x
    x = 792,553,721.28/27,234.40
  6. Step 6: Final answer
    x = 29,101.20

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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.