Home / 20,525.27-30,732.30-10,643.83

Finding the Fourth Proportional to 20,525.27, 30,732.30 and 10,643.83

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Solution

The fourth proportional to 20,525.27, 30,732.30 and 10,643.83 is: 15,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.27 : 30,732.30 = 10,643.83 : x
  2. Step 2: Convert to fraction form
    20,525.27/30,732.30 = 10,643.83/x
  3. Step 3: Cross multiply
    20,525.27x = 30,732.30 × 10,643.83
  4. Step 4: Simplify right side
    20,525.27x = 327,109,298.38
  5. Step 5: Solve for x
    x = 327,109,298.38/20,525.27
  6. Step 6: Final answer
    x = 15,936.90

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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.