Home / 27,310.38-37,688.36-15,373.82

Finding the Fourth Proportional to 27,310.38, 37,688.36 and 15,373.82

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Solution

The fourth proportional to 27,310.38, 37,688.36 and 15,373.82 is: 21,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.38 : 37,688.36 = 15,373.82 : x
  2. Step 2: Convert to fraction form
    27,310.38/37,688.36 = 15,373.82/x
  3. Step 3: Cross multiply
    27,310.38x = 37,688.36 × 15,373.82
  4. Step 4: Simplify right side
    27,310.38x = 579,413,797.42
  5. Step 5: Solve for x
    x = 579,413,797.42/27,310.38
  6. Step 6: Final answer
    x = 21,215.88

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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.