Home / 21,634.09-32,260.17-20,863.16

Finding the Fourth Proportional to 21,634.09, 32,260.17 and 20,863.16

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Solution

The fourth proportional to 21,634.09, 32,260.17 and 20,863.16 is: 31,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.09 : 32,260.17 = 20,863.16 : x
  2. Step 2: Convert to fraction form
    21,634.09/32,260.17 = 20,863.16/x
  3. Step 3: Cross multiply
    21,634.09x = 32,260.17 × 20,863.16
  4. Step 4: Simplify right side
    21,634.09x = 673,049,088.34
  5. Step 5: Solve for x
    x = 673,049,088.34/21,634.09
  6. Step 6: Final answer
    x = 31,110.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.