Home / 25,321.52-38,009.02-20,694.80

Finding the Fourth Proportional to 25,321.52, 38,009.02 and 20,694.80

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Solution

The fourth proportional to 25,321.52, 38,009.02 and 20,694.80 is: 31,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.52 : 38,009.02 = 20,694.80 : x
  2. Step 2: Convert to fraction form
    25,321.52/38,009.02 = 20,694.80/x
  3. Step 3: Cross multiply
    25,321.52x = 38,009.02 × 20,694.80
  4. Step 4: Simplify right side
    25,321.52x = 786,589,067.10
  5. Step 5: Solve for x
    x = 786,589,067.10/25,321.52
  6. Step 6: Final answer
    x = 31,064.05

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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.