Home / 27,420.60-41,121.30-14,268.60

Finding the Fourth Proportional to 27,420.60, 41,121.30 and 14,268.60

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Solution

The fourth proportional to 27,420.60, 41,121.30 and 14,268.60 is: 21,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.60 : 41,121.30 = 14,268.60 : x
  2. Step 2: Convert to fraction form
    27,420.60/41,121.30 = 14,268.60/x
  3. Step 3: Cross multiply
    27,420.60x = 41,121.30 × 14,268.60
  4. Step 4: Simplify right side
    27,420.60x = 586,743,381.18
  5. Step 5: Solve for x
    x = 586,743,381.18/27,420.60
  6. Step 6: Final answer
    x = 21,397.90

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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.