Home / 27,734.54-38,272.84-15,159.02

Finding the Fourth Proportional to 27,734.54, 38,272.84 and 15,159.02

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Solution

The fourth proportional to 27,734.54, 38,272.84 and 15,159.02 is: 20,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.54 : 38,272.84 = 15,159.02 : x
  2. Step 2: Convert to fraction form
    27,734.54/38,272.84 = 15,159.02/x
  3. Step 3: Cross multiply
    27,734.54x = 38,272.84 × 15,159.02
  4. Step 4: Simplify right side
    27,734.54x = 580,178,517.76
  5. Step 5: Solve for x
    x = 580,178,517.76/27,734.54
  6. Step 6: Final answer
    x = 20,918.99

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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.