Home / 27,631.52-38,131.44-15,056.24

Finding the Fourth Proportional to 27,631.52, 38,131.44 and 15,056.24

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Solution

The fourth proportional to 27,631.52, 38,131.44 and 15,056.24 is: 20,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.52 : 38,131.44 = 15,056.24 : x
  2. Step 2: Convert to fraction form
    27,631.52/38,131.44 = 15,056.24/x
  3. Step 3: Cross multiply
    27,631.52x = 38,131.44 × 15,056.24
  4. Step 4: Simplify right side
    27,631.52x = 574,116,112.19
  5. Step 5: Solve for x
    x = 574,116,112.19/27,631.52
  6. Step 6: Final answer
    x = 20,777.58

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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.