Home / 22,516.21-33,774.28-21,146.09

Finding the Fourth Proportional to 22,516.21, 33,774.28 and 21,146.09

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Solution

The fourth proportional to 22,516.21, 33,774.28 and 21,146.09 is: 31,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.21 : 33,774.28 = 21,146.09 : x
  2. Step 2: Convert to fraction form
    22,516.21/33,774.28 = 21,146.09/x
  3. Step 3: Cross multiply
    22,516.21x = 33,774.28 × 21,146.09
  4. Step 4: Simplify right side
    22,516.21x = 714,193,964.57
  5. Step 5: Solve for x
    x = 714,193,964.57/22,516.21
  6. Step 6: Final answer
    x = 31,719.10

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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.