Home / 27,972.90-38,606.22-16,040.52

Finding the Fourth Proportional to 27,972.90, 38,606.22 and 16,040.52

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Solution

The fourth proportional to 27,972.90, 38,606.22 and 16,040.52 is: 22,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.90 : 38,606.22 = 16,040.52 : x
  2. Step 2: Convert to fraction form
    27,972.90/38,606.22 = 16,040.52/x
  3. Step 3: Cross multiply
    27,972.90x = 38,606.22 × 16,040.52
  4. Step 4: Simplify right side
    27,972.90x = 619,263,844.03
  5. Step 5: Solve for x
    x = 619,263,844.03/27,972.90
  6. Step 6: Final answer
    x = 22,137.99

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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.