Home / 27,444.24-37,871.64-15,509.88

Finding the Fourth Proportional to 27,444.24, 37,871.64 and 15,509.88

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Solution

The fourth proportional to 27,444.24, 37,871.64 and 15,509.88 is: 21,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,444.24 : 37,871.64 = 15,509.88 : x
  2. Step 2: Convert to fraction form
    27,444.24/37,871.64 = 15,509.88/x
  3. Step 3: Cross multiply
    27,444.24x = 37,871.64 × 15,509.88
  4. Step 4: Simplify right side
    27,444.24x = 587,384,591.80
  5. Step 5: Solve for x
    x = 587,384,591.80/27,444.24
  6. Step 6: Final answer
    x = 21,402.84

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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.