Home / 27,716.34-38,248.48-15,141.18

Finding the Fourth Proportional to 27,716.34, 38,248.48 and 15,141.18

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Solution

The fourth proportional to 27,716.34, 38,248.48 and 15,141.18 is: 20,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.34 : 38,248.48 = 15,141.18 : x
  2. Step 2: Convert to fraction form
    27,716.34/38,248.48 = 15,141.18/x
  3. Step 3: Cross multiply
    27,716.34x = 38,248.48 × 15,141.18
  4. Step 4: Simplify right side
    27,716.34x = 579,126,891.31
  5. Step 5: Solve for x
    x = 579,126,891.31/27,716.34
  6. Step 6: Final answer
    x = 20,894.79

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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.