Home / 21,528.08-32,296.44-7,676.72

Finding the Fourth Proportional to 21,528.08, 32,296.44 and 7,676.72

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Solution

The fourth proportional to 21,528.08, 32,296.44 and 7,676.72 is: 11,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.08 : 32,296.44 = 7,676.72 : x
  2. Step 2: Convert to fraction form
    21,528.08/32,296.44 = 7,676.72/x
  3. Step 3: Cross multiply
    21,528.08x = 32,296.44 × 7,676.72
  4. Step 4: Simplify right side
    21,528.08x = 247,930,726.88
  5. Step 5: Solve for x
    x = 247,930,726.88/21,528.08
  6. Step 6: Final answer
    x = 11,516.62

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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.