Home / 27,331.53-37,719.44-15,232.78

Finding the Fourth Proportional to 27,331.53, 37,719.44 and 15,232.78

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Solution

The fourth proportional to 27,331.53, 37,719.44 and 15,232.78 is: 21,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.53 : 37,719.44 = 15,232.78 : x
  2. Step 2: Convert to fraction form
    27,331.53/37,719.44 = 15,232.78/x
  3. Step 3: Cross multiply
    27,331.53x = 37,719.44 × 15,232.78
  4. Step 4: Simplify right side
    27,331.53x = 574,571,931.24
  5. Step 5: Solve for x
    x = 574,571,931.24/27,331.53
  6. Step 6: Final answer
    x = 21,022.31

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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.