Home / 27,984.49-38,617.86-15,237.92

Finding the Fourth Proportional to 27,984.49, 38,617.86 and 15,237.92

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Solution

The fourth proportional to 27,984.49, 38,617.86 and 15,237.92 is: 21,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.49 : 38,617.86 = 15,237.92 : x
  2. Step 2: Convert to fraction form
    27,984.49/38,617.86 = 15,237.92/x
  3. Step 3: Cross multiply
    27,984.49x = 38,617.86 × 15,237.92
  4. Step 4: Simplify right side
    27,984.49x = 588,456,014.94
  5. Step 5: Solve for x
    x = 588,456,014.94/27,984.49
  6. Step 6: Final answer
    x = 21,027.94

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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.