Home / 20,260.48-27,972.80-13,093.60

Finding the Fourth Proportional to 20,260.48, 27,972.80 and 13,093.60

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Solution

The fourth proportional to 20,260.48, 27,972.80 and 13,093.60 is: 18,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.48 : 27,972.80 = 13,093.60 : x
  2. Step 2: Convert to fraction form
    20,260.48/27,972.80 = 13,093.60/x
  3. Step 3: Cross multiply
    20,260.48x = 27,972.80 × 13,093.60
  4. Step 4: Simplify right side
    20,260.48x = 366,264,654.08
  5. Step 5: Solve for x
    x = 366,264,654.08/20,260.48
  6. Step 6: Final answer
    x = 18,077.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.