Home / 27,954.42-38,576.31-15,379.17

Finding the Fourth Proportional to 27,954.42, 38,576.31 and 15,379.17

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Solution

The fourth proportional to 27,954.42, 38,576.31 and 15,379.17 is: 21,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.42 : 38,576.31 = 15,379.17 : x
  2. Step 2: Convert to fraction form
    27,954.42/38,576.31 = 15,379.17/x
  3. Step 3: Cross multiply
    27,954.42x = 38,576.31 × 15,379.17
  4. Step 4: Simplify right side
    27,954.42x = 593,271,629.46
  5. Step 5: Solve for x
    x = 593,271,629.46/27,954.42
  6. Step 6: Final answer
    x = 21,222.82

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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.