Home / 27,902.44-38,505.36-15,327.18

Finding the Fourth Proportional to 27,902.44, 38,505.36 and 15,327.18

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Solution

The fourth proportional to 27,902.44, 38,505.36 and 15,327.18 is: 21,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.44 : 38,505.36 = 15,327.18 : x
  2. Step 2: Convert to fraction form
    27,902.44/38,505.36 = 15,327.18/x
  3. Step 3: Cross multiply
    27,902.44x = 38,505.36 × 15,327.18
  4. Step 4: Simplify right side
    27,902.44x = 590,178,583.68
  5. Step 5: Solve for x
    x = 590,178,583.68/27,902.44
  6. Step 6: Final answer
    x = 21,151.50

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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.