Home / 27,515.82-37,971.54-14,940.57

Finding the Fourth Proportional to 27,515.82, 37,971.54 and 14,940.57

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Solution

The fourth proportional to 27,515.82, 37,971.54 and 14,940.57 is: 20,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.82 : 37,971.54 = 14,940.57 : x
  2. Step 2: Convert to fraction form
    27,515.82/37,971.54 = 14,940.57/x
  3. Step 3: Cross multiply
    27,515.82x = 37,971.54 × 14,940.57
  4. Step 4: Simplify right side
    27,515.82x = 567,316,451.38
  5. Step 5: Solve for x
    x = 567,316,451.38/27,515.82
  6. Step 6: Final answer
    x = 20,617.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.