Home / 27,954.20-38,577.66-15,208.32

Finding the Fourth Proportional to 27,954.20, 38,577.66 and 15,208.32

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Solution

The fourth proportional to 27,954.20, 38,577.66 and 15,208.32 is: 20,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.20 : 38,577.66 = 15,208.32 : x
  2. Step 2: Convert to fraction form
    27,954.20/38,577.66 = 15,208.32/x
  3. Step 3: Cross multiply
    27,954.20x = 38,577.66 × 15,208.32
  4. Step 4: Simplify right side
    27,954.20x = 586,701,398.13
  5. Step 5: Solve for x
    x = 586,701,398.13/27,954.20
  6. Step 6: Final answer
    x = 20,987.95

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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.