Home / 27,694.17-38,219.37-15,759.21

Finding the Fourth Proportional to 27,694.17, 38,219.37 and 15,759.21

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Solution

The fourth proportional to 27,694.17, 38,219.37 and 15,759.21 is: 21,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.17 : 38,219.37 = 15,759.21 : x
  2. Step 2: Convert to fraction form
    27,694.17/38,219.37 = 15,759.21/x
  3. Step 3: Cross multiply
    27,694.17x = 38,219.37 × 15,759.21
  4. Step 4: Simplify right side
    27,694.17x = 602,307,077.90
  5. Step 5: Solve for x
    x = 602,307,077.90/27,694.17
  6. Step 6: Final answer
    x = 21,748.52

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Double scale
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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.