Home / 27,310.76-37,688.81-15,377.94

Finding the Fourth Proportional to 27,310.76, 37,688.81 and 15,377.94

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Solution

The fourth proportional to 27,310.76, 37,688.81 and 15,377.94 is: 21,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.76 : 37,688.81 = 15,377.94 : x
  2. Step 2: Convert to fraction form
    27,310.76/37,688.81 = 15,377.94/x
  3. Step 3: Cross multiply
    27,310.76x = 37,688.81 × 15,377.94
  4. Step 4: Simplify right side
    27,310.76x = 579,576,297.30
  5. Step 5: Solve for x
    x = 579,576,297.30/27,310.76
  6. Step 6: Final answer
    x = 21,221.53

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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.