Home / 27,992.07-41,988.24-7,215.57

Finding the Fourth Proportional to 27,992.07, 41,988.24 and 7,215.57

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Solution

The fourth proportional to 27,992.07, 41,988.24 and 7,215.57 is: 10,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.07 : 41,988.24 = 7,215.57 : x
  2. Step 2: Convert to fraction form
    27,992.07/41,988.24 = 7,215.57/x
  3. Step 3: Cross multiply
    27,992.07x = 41,988.24 × 7,215.57
  4. Step 4: Simplify right side
    27,992.07x = 302,969,084.90
  5. Step 5: Solve for x
    x = 302,969,084.90/27,992.07
  6. Step 6: Final answer
    x = 10,823.39

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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.