Home / 20,732.76-28,611.77-11,301.93

Finding the Fourth Proportional to 20,732.76, 28,611.77 and 11,301.93

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Solution

The fourth proportional to 20,732.76, 28,611.77 and 11,301.93 is: 15,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.76 : 28,611.77 = 11,301.93 : x
  2. Step 2: Convert to fraction form
    20,732.76/28,611.77 = 11,301.93/x
  3. Step 3: Cross multiply
    20,732.76x = 28,611.77 × 11,301.93
  4. Step 4: Simplify right side
    20,732.76x = 323,368,165.21
  5. Step 5: Solve for x
    x = 323,368,165.21/20,732.76
  6. Step 6: Final answer
    x = 15,596.97

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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.