Home / 22,656.21-34,119.92-20,636.07

Finding the Fourth Proportional to 22,656.21, 34,119.92 and 20,636.07

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Solution

The fourth proportional to 22,656.21, 34,119.92 and 20,636.07 is: 31,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.21 : 34,119.92 = 20,636.07 : x
  2. Step 2: Convert to fraction form
    22,656.21/34,119.92 = 20,636.07/x
  3. Step 3: Cross multiply
    22,656.21x = 34,119.92 × 20,636.07
  4. Step 4: Simplify right side
    22,656.21x = 704,100,954.33
  5. Step 5: Solve for x
    x = 704,100,954.33/22,656.21
  6. Step 6: Final answer
    x = 31,077.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.