Home / 27,420.20-41,130.30-9,883.70

Finding the Fourth Proportional to 27,420.20, 41,130.30 and 9,883.70

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Solution

The fourth proportional to 27,420.20, 41,130.30 and 9,883.70 is: 14,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.20 : 41,130.30 = 9,883.70 : x
  2. Step 2: Convert to fraction form
    27,420.20/41,130.30 = 9,883.70/x
  3. Step 3: Cross multiply
    27,420.20x = 41,130.30 × 9,883.70
  4. Step 4: Simplify right side
    27,420.20x = 406,519,546.11
  5. Step 5: Solve for x
    x = 406,519,546.11/27,420.20
  6. Step 6: Final answer
    x = 14,825.55

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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.