Home / 21,538.27-32,344.31-11,696.77

Finding the Fourth Proportional to 21,538.27, 32,344.31 and 11,696.77

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Solution

The fourth proportional to 21,538.27, 32,344.31 and 11,696.77 is: 17,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.27 : 32,344.31 = 11,696.77 : x
  2. Step 2: Convert to fraction form
    21,538.27/32,344.31 = 11,696.77/x
  3. Step 3: Cross multiply
    21,538.27x = 32,344.31 × 11,696.77
  4. Step 4: Simplify right side
    21,538.27x = 378,323,954.88
  5. Step 5: Solve for x
    x = 378,323,954.88/21,538.27
  6. Step 6: Final answer
    x = 17,565.20

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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.