Home / 27,982.47-38,603.65-16,043.07

Finding the Fourth Proportional to 27,982.47, 38,603.65 and 16,043.07

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Solution

The fourth proportional to 27,982.47, 38,603.65 and 16,043.07 is: 22,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.47 : 38,603.65 = 16,043.07 : x
  2. Step 2: Convert to fraction form
    27,982.47/38,603.65 = 16,043.07/x
  3. Step 3: Cross multiply
    27,982.47x = 38,603.65 × 16,043.07
  4. Step 4: Simplify right side
    27,982.47x = 619,321,059.21
  5. Step 5: Solve for x
    x = 619,321,059.21/27,982.47
  6. Step 6: Final answer
    x = 22,132.47

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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.