Home / 27,438.76-41,158.12-7,717.31

Finding the Fourth Proportional to 27,438.76, 41,158.12 and 7,717.31

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Solution

The fourth proportional to 27,438.76, 41,158.12 and 7,717.31 is: 11,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.76 : 41,158.12 = 7,717.31 : x
  2. Step 2: Convert to fraction form
    27,438.76/41,158.12 = 7,717.31/x
  3. Step 3: Cross multiply
    27,438.76x = 41,158.12 × 7,717.31
  4. Step 4: Simplify right side
    27,438.76x = 317,629,971.06
  5. Step 5: Solve for x
    x = 317,629,971.06/27,438.76
  6. Step 6: Final answer
    x = 11,575.96

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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.