Home / 27,631.37-38,131.31-15,056.12

Finding the Fourth Proportional to 27,631.37, 38,131.31 and 15,056.12

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Solution

The fourth proportional to 27,631.37, 38,131.31 and 15,056.12 is: 20,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.37 : 38,131.31 = 15,056.12 : x
  2. Step 2: Convert to fraction form
    27,631.37/38,131.31 = 15,056.12/x
  3. Step 3: Cross multiply
    27,631.37x = 38,131.31 × 15,056.12
  4. Step 4: Simplify right side
    27,631.37x = 574,109,503.84
  5. Step 5: Solve for x
    x = 574,109,503.84/27,631.37
  6. Step 6: Final answer
    x = 20,777.45

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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.