Home / 27,518.90-37,976.22-15,584.57

Finding the Fourth Proportional to 27,518.90, 37,976.22 and 15,584.57

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Solution

The fourth proportional to 27,518.90, 37,976.22 and 15,584.57 is: 21,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.90 : 37,976.22 = 15,584.57 : x
  2. Step 2: Convert to fraction form
    27,518.90/37,976.22 = 15,584.57/x
  3. Step 3: Cross multiply
    27,518.90x = 37,976.22 × 15,584.57
  4. Step 4: Simplify right side
    27,518.90x = 591,842,869.04
  5. Step 5: Solve for x
    x = 591,842,869.04/27,518.90
  6. Step 6: Final answer
    x = 21,506.78

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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.