Home / 27,770.50-38,323.56-15,195.52

Finding the Fourth Proportional to 27,770.50, 38,323.56 and 15,195.52

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Solution

The fourth proportional to 27,770.50, 38,323.56 and 15,195.52 is: 20,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.50 : 38,323.56 = 15,195.52 : x
  2. Step 2: Convert to fraction form
    27,770.50/38,323.56 = 15,195.52/x
  3. Step 3: Cross multiply
    27,770.50x = 38,323.56 × 15,195.52
  4. Step 4: Simplify right side
    27,770.50x = 582,346,422.45
  5. Step 5: Solve for x
    x = 582,346,422.45/27,770.50
  6. Step 6: Final answer
    x = 20,969.97

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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.