Home / 27,617.58-38,110.89-15,679.29

Finding the Fourth Proportional to 27,617.58, 38,110.89 and 15,679.29

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Solution

The fourth proportional to 27,617.58, 38,110.89 and 15,679.29 is: 21,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.58 : 38,110.89 = 15,679.29 : x
  2. Step 2: Convert to fraction form
    27,617.58/38,110.89 = 15,679.29/x
  3. Step 3: Cross multiply
    27,617.58x = 38,110.89 × 15,679.29
  4. Step 4: Simplify right side
    27,617.58x = 597,551,696.47
  5. Step 5: Solve for x
    x = 597,551,696.47/27,617.58
  6. Step 6: Final answer
    x = 21,636.64

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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.