Home / 21,743.20-32,614.40-6,951.92

Finding the Fourth Proportional to 21,743.20, 32,614.40 and 6,951.92

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Solution

The fourth proportional to 21,743.20, 32,614.40 and 6,951.92 is: 10,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.20 : 32,614.40 = 6,951.92 : x
  2. Step 2: Convert to fraction form
    21,743.20/32,614.40 = 6,951.92/x
  3. Step 3: Cross multiply
    21,743.20x = 32,614.40 × 6,951.92
  4. Step 4: Simplify right side
    21,743.20x = 226,732,699.65
  5. Step 5: Solve for x
    x = 226,732,699.65/21,743.20
  6. Step 6: Final answer
    x = 10,427.75

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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.