Home / 27,719.43-38,241.95-17,090.61

Finding the Fourth Proportional to 27,719.43, 38,241.95 and 17,090.61

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Solution

The fourth proportional to 27,719.43, 38,241.95 and 17,090.61 is: 23,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.43 : 38,241.95 = 17,090.61 : x
  2. Step 2: Convert to fraction form
    27,719.43/38,241.95 = 17,090.61/x
  3. Step 3: Cross multiply
    27,719.43x = 38,241.95 × 17,090.61
  4. Step 4: Simplify right side
    27,719.43x = 653,578,061.88
  5. Step 5: Solve for x
    x = 653,578,061.88/27,719.43
  6. Step 6: Final answer
    x = 23,578.34

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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.