Home / 27,770.04-38,323.62-15,195.96

Finding the Fourth Proportional to 27,770.04, 38,323.62 and 15,195.96

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Solution

The fourth proportional to 27,770.04, 38,323.62 and 15,195.96 is: 20,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.04 : 38,323.62 = 15,195.96 : x
  2. Step 2: Convert to fraction form
    27,770.04/38,323.62 = 15,195.96/x
  3. Step 3: Cross multiply
    27,770.04x = 38,323.62 × 15,195.96
  4. Step 4: Simplify right side
    27,770.04x = 582,364,196.58
  5. Step 5: Solve for x
    x = 582,364,196.58/27,770.04
  6. Step 6: Final answer
    x = 20,970.95

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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.