Home / 27,213.90-40,813.11-10,570.38

Finding the Fourth Proportional to 27,213.90, 40,813.11 and 10,570.38

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Solution

The fourth proportional to 27,213.90, 40,813.11 and 10,570.38 is: 15,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.90 : 40,813.11 = 10,570.38 : x
  2. Step 2: Convert to fraction form
    27,213.90/40,813.11 = 10,570.38/x
  3. Step 3: Cross multiply
    27,213.90x = 40,813.11 × 10,570.38
  4. Step 4: Simplify right side
    27,213.90x = 431,410,081.68
  5. Step 5: Solve for x
    x = 431,410,081.68/27,213.90
  6. Step 6: Final answer
    x = 15,852.56

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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.