Home / 27,027.92-40,540.68-8,307.20

Finding the Fourth Proportional to 27,027.92, 40,540.68 and 8,307.20

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Solution

The fourth proportional to 27,027.92, 40,540.68 and 8,307.20 is: 12,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.92 : 40,540.68 = 8,307.20 : x
  2. Step 2: Convert to fraction form
    27,027.92/40,540.68 = 8,307.20/x
  3. Step 3: Cross multiply
    27,027.92x = 40,540.68 × 8,307.20
  4. Step 4: Simplify right side
    27,027.92x = 336,779,536.90
  5. Step 5: Solve for x
    x = 336,779,536.90/27,027.92
  6. Step 6: Final answer
    x = 12,460.43

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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.