Home / 21,507.28-32,246.18-10,956.88

Finding the Fourth Proportional to 21,507.28, 32,246.18 and 10,956.88

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Solution

The fourth proportional to 21,507.28, 32,246.18 and 10,956.88 is: 16,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507.28 : 32,246.18 = 10,956.88 : x
  2. Step 2: Convert to fraction form
    21,507.28/32,246.18 = 10,956.88/x
  3. Step 3: Cross multiply
    21,507.28x = 32,246.18 × 10,956.88
  4. Step 4: Simplify right side
    21,507.28x = 353,317,308.70
  5. Step 5: Solve for x
    x = 353,317,308.70/21,507.28
  6. Step 6: Final answer
    x = 16,427.80

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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.