Home / 27,418.82-41,129.69-8,700.30

Finding the Fourth Proportional to 27,418.82, 41,129.69 and 8,700.30

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Solution

The fourth proportional to 27,418.82, 41,129.69 and 8,700.30 is: 13,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.82 : 41,129.69 = 8,700.30 : x
  2. Step 2: Convert to fraction form
    27,418.82/41,129.69 = 8,700.30/x
  3. Step 3: Cross multiply
    27,418.82x = 41,129.69 × 8,700.30
  4. Step 4: Simplify right side
    27,418.82x = 357,840,598.41
  5. Step 5: Solve for x
    x = 357,840,598.41/27,418.82
  6. Step 6: Final answer
    x = 13,050.91

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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.