Home / 27,027.12-40,540.40-8,559.12

Finding the Fourth Proportional to 27,027.12, 40,540.40 and 8,559.12

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Solution

The fourth proportional to 27,027.12, 40,540.40 and 8,559.12 is: 12,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.12 : 40,540.40 = 8,559.12 : x
  2. Step 2: Convert to fraction form
    27,027.12/40,540.40 = 8,559.12/x
  3. Step 3: Cross multiply
    27,027.12x = 40,540.40 × 8,559.12
  4. Step 4: Simplify right side
    27,027.12x = 346,990,148.45
  5. Step 5: Solve for x
    x = 346,990,148.45/27,027.12
  6. Step 6: Final answer
    x = 12,838.59

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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.