Home / 27,712.13-41,577.05-9,930.78

Finding the Fourth Proportional to 27,712.13, 41,577.05 and 9,930.78

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Solution

The fourth proportional to 27,712.13, 41,577.05 and 9,930.78 is: 14,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.13 : 41,577.05 = 9,930.78 : x
  2. Step 2: Convert to fraction form
    27,712.13/41,577.05 = 9,930.78/x
  3. Step 3: Cross multiply
    27,712.13x = 41,577.05 × 9,930.78
  4. Step 4: Simplify right side
    27,712.13x = 412,892,486.95
  5. Step 5: Solve for x
    x = 412,892,486.95/27,712.13
  6. Step 6: Final answer
    x = 14,899.34

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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.