Home / 27,108.38-37,409.75-15,172.82

Finding the Fourth Proportional to 27,108.38, 37,409.75 and 15,172.82

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Solution

The fourth proportional to 27,108.38, 37,409.75 and 15,172.82 is: 20,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.38 : 37,409.75 = 15,172.82 : x
  2. Step 2: Convert to fraction form
    27,108.38/37,409.75 = 15,172.82/x
  3. Step 3: Cross multiply
    27,108.38x = 37,409.75 × 15,172.82
  4. Step 4: Simplify right side
    27,108.38x = 567,611,403.00
  5. Step 5: Solve for x
    x = 567,611,403.00/27,108.38
  6. Step 6: Final answer
    x = 20,938.60

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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.