Home / 27,553.79-41,331.56-13,125.02

Finding the Fourth Proportional to 27,553.79, 41,331.56 and 13,125.02

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Solution

The fourth proportional to 27,553.79, 41,331.56 and 13,125.02 is: 19,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.79 : 41,331.56 = 13,125.02 : x
  2. Step 2: Convert to fraction form
    27,553.79/41,331.56 = 13,125.02/x
  3. Step 3: Cross multiply
    27,553.79x = 41,331.56 × 13,125.02
  4. Step 4: Simplify right side
    27,553.79x = 542,477,279.35
  5. Step 5: Solve for x
    x = 542,477,279.35/27,553.79
  6. Step 6: Final answer
    x = 19,687.94

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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.