Home / 27,631.62-38,131.65-15,056.37

Finding the Fourth Proportional to 27,631.62, 38,131.65 and 15,056.37

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Solution

The fourth proportional to 27,631.62, 38,131.65 and 15,056.37 is: 20,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.62 : 38,131.65 = 15,056.37 : x
  2. Step 2: Convert to fraction form
    27,631.62/38,131.65 = 15,056.37/x
  3. Step 3: Cross multiply
    27,631.62x = 38,131.65 × 15,056.37
  4. Step 4: Simplify right side
    27,631.62x = 574,124,231.11
  5. Step 5: Solve for x
    x = 574,124,231.11/27,631.62
  6. Step 6: Final answer
    x = 20,777.80

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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.