Home / 27,788.20-41,679.98-10,921.56

Finding the Fourth Proportional to 27,788.20, 41,679.98 and 10,921.56

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Solution

The fourth proportional to 27,788.20, 41,679.98 and 10,921.56 is: 16,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.20 : 41,679.98 = 10,921.56 : x
  2. Step 2: Convert to fraction form
    27,788.20/41,679.98 = 10,921.56/x
  3. Step 3: Cross multiply
    27,788.20x = 41,679.98 × 10,921.56
  4. Step 4: Simplify right side
    27,788.20x = 455,210,402.37
  5. Step 5: Solve for x
    x = 455,210,402.37/27,788.20
  6. Step 6: Final answer
    x = 16,381.43

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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.