Home / 27,542.40-41,313.60-21,321.60

Finding the Fourth Proportional to 27,542.40, 41,313.60 and 21,321.60

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Solution

The fourth proportional to 27,542.40, 41,313.60 and 21,321.60 is: 31,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.40 : 41,313.60 = 21,321.60 : x
  2. Step 2: Convert to fraction form
    27,542.40/41,313.60 = 21,321.60/x
  3. Step 3: Cross multiply
    27,542.40x = 41,313.60 × 21,321.60
  4. Step 4: Simplify right side
    27,542.40x = 880,872,053.76
  5. Step 5: Solve for x
    x = 880,872,053.76/27,542.40
  6. Step 6: Final answer
    x = 31,982.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.