Home / 27,209.22-40,808.40-8,486.22

Finding the Fourth Proportional to 27,209.22, 40,808.40 and 8,486.22

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Solution

The fourth proportional to 27,209.22, 40,808.40 and 8,486.22 is: 12,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.22 : 40,808.40 = 8,486.22 : x
  2. Step 2: Convert to fraction form
    27,209.22/40,808.40 = 8,486.22/x
  3. Step 3: Cross multiply
    27,209.22x = 40,808.40 × 8,486.22
  4. Step 4: Simplify right side
    27,209.22x = 346,309,060.25
  5. Step 5: Solve for x
    x = 346,309,060.25/27,209.22
  6. Step 6: Final answer
    x = 12,727.64

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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.