Home / 27,031.21-37,299.15-16,418.80

Finding the Fourth Proportional to 27,031.21, 37,299.15 and 16,418.80

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Solution

The fourth proportional to 27,031.21, 37,299.15 and 16,418.80 is: 22,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.21 : 37,299.15 = 16,418.80 : x
  2. Step 2: Convert to fraction form
    27,031.21/37,299.15 = 16,418.80/x
  3. Step 3: Cross multiply
    27,031.21x = 37,299.15 × 16,418.80
  4. Step 4: Simplify right side
    27,031.21x = 612,407,284.02
  5. Step 5: Solve for x
    x = 612,407,284.02/27,031.21
  6. Step 6: Final answer
    x = 22,655.56

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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.