Home / 27,918.66-38,527.74-15,343.41

Finding the Fourth Proportional to 27,918.66, 38,527.74 and 15,343.41

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Solution

The fourth proportional to 27,918.66, 38,527.74 and 15,343.41 is: 21,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.66 : 38,527.74 = 15,343.41 : x
  2. Step 2: Convert to fraction form
    27,918.66/38,527.74 = 15,343.41/x
  3. Step 3: Cross multiply
    27,918.66x = 38,527.74 × 15,343.41
  4. Step 4: Simplify right side
    27,918.66x = 591,146,911.19
  5. Step 5: Solve for x
    x = 591,146,911.19/27,918.66
  6. Step 6: Final answer
    x = 21,173.90

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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.