Home / 27,370.38-37,772.36-15,433.68

Finding the Fourth Proportional to 27,370.38, 37,772.36 and 15,433.68

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Solution

The fourth proportional to 27,370.38, 37,772.36 and 15,433.68 is: 21,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,370.38 : 37,772.36 = 15,433.68 : x
  2. Step 2: Convert to fraction form
    27,370.38/37,772.36 = 15,433.68/x
  3. Step 3: Cross multiply
    27,370.38x = 37,772.36 × 15,433.68
  4. Step 4: Simplify right side
    27,370.38x = 582,966,517.08
  5. Step 5: Solve for x
    x = 582,966,517.08/27,370.38
  6. Step 6: Final answer
    x = 21,299.18

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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.