Home / 27,111.46-37,405.29-15,172.90

Finding the Fourth Proportional to 27,111.46, 37,405.29 and 15,172.90

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Solution

The fourth proportional to 27,111.46, 37,405.29 and 15,172.90 is: 20,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.46 : 37,405.29 = 15,172.90 : x
  2. Step 2: Convert to fraction form
    27,111.46/37,405.29 = 15,172.90/x
  3. Step 3: Cross multiply
    27,111.46x = 37,405.29 × 15,172.90
  4. Step 4: Simplify right side
    27,111.46x = 567,546,724.64
  5. Step 5: Solve for x
    x = 567,546,724.64/27,111.46
  6. Step 6: Final answer
    x = 20,933.83

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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.