Home / 21,722.28-32,576.49-6,927.72

Finding the Fourth Proportional to 21,722.28, 32,576.49 and 6,927.72

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Solution

The fourth proportional to 21,722.28, 32,576.49 and 6,927.72 is: 10,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.28 : 32,576.49 = 6,927.72 : x
  2. Step 2: Convert to fraction form
    21,722.28/32,576.49 = 6,927.72/x
  3. Step 3: Cross multiply
    21,722.28x = 32,576.49 × 6,927.72
  4. Step 4: Simplify right side
    21,722.28x = 225,680,801.30
  5. Step 5: Solve for x
    x = 225,680,801.30/21,722.28
  6. Step 6: Final answer
    x = 10,389.37

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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.