Home / 23,287.96-32,138.17-13,080.79

Finding the Fourth Proportional to 23,287.96, 32,138.17 and 13,080.79

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Solution

The fourth proportional to 23,287.96, 32,138.17 and 13,080.79 is: 18,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.96 : 32,138.17 = 13,080.79 : x
  2. Step 2: Convert to fraction form
    23,287.96/32,138.17 = 13,080.79/x
  3. Step 3: Cross multiply
    23,287.96x = 32,138.17 × 13,080.79
  4. Step 4: Simplify right side
    23,287.96x = 420,392,660.23
  5. Step 5: Solve for x
    x = 420,392,660.23/23,287.96
  6. Step 6: Final answer
    x = 18,051.93

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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.