Home / 21,488.96-32,233.40-8,161.92

Finding the Fourth Proportional to 21,488.96, 32,233.40 and 8,161.92

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Solution

The fourth proportional to 21,488.96, 32,233.40 and 8,161.92 is: 12,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.96 : 32,233.40 = 8,161.92 : x
  2. Step 2: Convert to fraction form
    21,488.96/32,233.40 = 8,161.92/x
  3. Step 3: Cross multiply
    21,488.96x = 32,233.40 × 8,161.92
  4. Step 4: Simplify right side
    21,488.96x = 263,086,432.13
  5. Step 5: Solve for x
    x = 263,086,432.13/21,488.96
  6. Step 6: Final answer
    x = 12,242.87

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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.