Home / 27,984.48-38,617.67-16,651.37

Finding the Fourth Proportional to 27,984.48, 38,617.67 and 16,651.37

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Solution

The fourth proportional to 27,984.48, 38,617.67 and 16,651.37 is: 22,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.48 : 38,617.67 = 16,651.37 : x
  2. Step 2: Convert to fraction form
    27,984.48/38,617.67 = 16,651.37/x
  3. Step 3: Cross multiply
    27,984.48x = 38,617.67 × 16,651.37
  4. Step 4: Simplify right side
    27,984.48x = 643,036,835.36
  5. Step 5: Solve for x
    x = 643,036,835.36/27,984.48
  6. Step 6: Final answer
    x = 22,978.34

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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.