Home / 27,517.62-37,974.76-15,580.64

Finding the Fourth Proportional to 27,517.62, 37,974.76 and 15,580.64

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Solution

The fourth proportional to 27,517.62, 37,974.76 and 15,580.64 is: 21,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.62 : 37,974.76 = 15,580.64 : x
  2. Step 2: Convert to fraction form
    27,517.62/37,974.76 = 15,580.64/x
  3. Step 3: Cross multiply
    27,517.62x = 37,974.76 × 15,580.64
  4. Step 4: Simplify right side
    27,517.62x = 591,671,064.65
  5. Step 5: Solve for x
    x = 591,671,064.65/27,517.62
  6. Step 6: Final answer
    x = 21,501.53

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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.