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Finding the Fourth Proportional to 27,328.80, 40,906.80 and 19,552.80

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Solution

The fourth proportional to 27,328.80, 40,906.80 and 19,552.80 is: 29,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.80 : 40,906.80 = 19,552.80 : x
  2. Step 2: Convert to fraction form
    27,328.80/40,906.80 = 19,552.80/x
  3. Step 3: Cross multiply
    27,328.80x = 40,906.80 × 19,552.80
  4. Step 4: Simplify right side
    27,328.80x = 799,842,479.04
  5. Step 5: Solve for x
    x = 799,842,479.04/27,328.80
  6. Step 6: Final answer
    x = 29,267.38

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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.