Home / 27,405.34-41,113.19-8,690.09

Finding the Fourth Proportional to 27,405.34, 41,113.19 and 8,690.09

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Solution

The fourth proportional to 27,405.34, 41,113.19 and 8,690.09 is: 13,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.34 : 41,113.19 = 8,690.09 : x
  2. Step 2: Convert to fraction form
    27,405.34/41,113.19 = 8,690.09/x
  3. Step 3: Cross multiply
    27,405.34x = 41,113.19 × 8,690.09
  4. Step 4: Simplify right side
    27,405.34x = 357,277,321.29
  5. Step 5: Solve for x
    x = 357,277,321.29/27,405.34
  6. Step 6: Final answer
    x = 13,036.78

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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.