Home / 27,615.22-38,131.47-22,511.53

Finding the Fourth Proportional to 27,615.22, 38,131.47 and 22,511.53

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Solution

The fourth proportional to 27,615.22, 38,131.47 and 22,511.53 is: 31,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.22 : 38,131.47 = 22,511.53 : x
  2. Step 2: Convert to fraction form
    27,615.22/38,131.47 = 22,511.53/x
  3. Step 3: Cross multiply
    27,615.22x = 38,131.47 × 22,511.53
  4. Step 4: Simplify right side
    27,615.22x = 858,397,730.85
  5. Step 5: Solve for x
    x = 858,397,730.85/27,615.22
  6. Step 6: Final answer
    x = 31,084.23

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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.