Home / 27,825.45-38,401.56-15,892.62

Finding the Fourth Proportional to 27,825.45, 38,401.56 and 15,892.62

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Solution

The fourth proportional to 27,825.45, 38,401.56 and 15,892.62 is: 21,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.45 : 38,401.56 = 15,892.62 : x
  2. Step 2: Convert to fraction form
    27,825.45/38,401.56 = 15,892.62/x
  3. Step 3: Cross multiply
    27,825.45x = 38,401.56 × 15,892.62
  4. Step 4: Simplify right side
    27,825.45x = 610,301,400.49
  5. Step 5: Solve for x
    x = 610,301,400.49/27,825.45
  6. Step 6: Final answer
    x = 21,933.21

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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.