Home / 27,891.16-38,494.74-15,792.34

Finding the Fourth Proportional to 27,891.16, 38,494.74 and 15,792.34

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Solution

The fourth proportional to 27,891.16, 38,494.74 and 15,792.34 is: 21,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.16 : 38,494.74 = 15,792.34 : x
  2. Step 2: Convert to fraction form
    27,891.16/38,494.74 = 15,792.34/x
  3. Step 3: Cross multiply
    27,891.16x = 38,494.74 × 15,792.34
  4. Step 4: Simplify right side
    27,891.16x = 607,922,165.72
  5. Step 5: Solve for x
    x = 607,922,165.72/27,891.16
  6. Step 6: Final answer
    x = 21,796.23

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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.