Home / 27,631.52-38,131.50-15,056.28

Finding the Fourth Proportional to 27,631.52, 38,131.50 and 15,056.28

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Solution

The fourth proportional to 27,631.52, 38,131.50 and 15,056.28 is: 20,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.52 : 38,131.50 = 15,056.28 : x
  2. Step 2: Convert to fraction form
    27,631.52/38,131.50 = 15,056.28/x
  3. Step 3: Cross multiply
    27,631.52x = 38,131.50 × 15,056.28
  4. Step 4: Simplify right side
    27,631.52x = 574,118,540.82
  5. Step 5: Solve for x
    x = 574,118,540.82/27,631.52
  6. Step 6: Final answer
    x = 20,777.67

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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.