Home / 21,928.92-32,898.30-10,235.76

Finding the Fourth Proportional to 21,928.92, 32,898.30 and 10,235.76

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Solution

The fourth proportional to 21,928.92, 32,898.30 and 10,235.76 is: 15,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.92 : 32,898.30 = 10,235.76 : x
  2. Step 2: Convert to fraction form
    21,928.92/32,898.30 = 10,235.76/x
  3. Step 3: Cross multiply
    21,928.92x = 32,898.30 × 10,235.76
  4. Step 4: Simplify right side
    21,928.92x = 336,739,103.21
  5. Step 5: Solve for x
    x = 336,739,103.21/21,928.92
  6. Step 6: Final answer
    x = 15,355.94

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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.