Home / 21,582.20-32,370.96-5,788.80

Finding the Fourth Proportional to 21,582.20, 32,370.96 and 5,788.80

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Solution

The fourth proportional to 21,582.20, 32,370.96 and 5,788.80 is: 8,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.20 : 32,370.96 = 5,788.80 : x
  2. Step 2: Convert to fraction form
    21,582.20/32,370.96 = 5,788.80/x
  3. Step 3: Cross multiply
    21,582.20x = 32,370.96 × 5,788.80
  4. Step 4: Simplify right side
    21,582.20x = 187,389,013.25
  5. Step 5: Solve for x
    x = 187,389,013.25/21,582.20
  6. Step 6: Final answer
    x = 8,682.57

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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.