Home / 21,513.20-32,226.60-14,514.80

Finding the Fourth Proportional to 21,513.20, 32,226.60 and 14,514.80

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Solution

The fourth proportional to 21,513.20, 32,226.60 and 14,514.80 is: 21,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.20 : 32,226.60 = 14,514.80 : x
  2. Step 2: Convert to fraction form
    21,513.20/32,226.60 = 14,514.80/x
  3. Step 3: Cross multiply
    21,513.20x = 32,226.60 × 14,514.80
  4. Step 4: Simplify right side
    21,513.20x = 467,762,653.68
  5. Step 5: Solve for x
    x = 467,762,653.68/21,513.20
  6. Step 6: Final answer
    x = 21,743.05

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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.