Home / 27,738.00-38,278.44-14,991.14

Finding the Fourth Proportional to 27,738.00, 38,278.44 and 14,991.14

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Solution

The fourth proportional to 27,738.00, 38,278.44 and 14,991.14 is: 20,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.00 : 38,278.44 = 14,991.14 : x
  2. Step 2: Convert to fraction form
    27,738.00/38,278.44 = 14,991.14/x
  3. Step 3: Cross multiply
    27,738.00x = 38,278.44 × 14,991.14
  4. Step 4: Simplify right side
    27,738.00x = 573,837,378.07
  5. Step 5: Solve for x
    x = 573,837,378.07/27,738.00
  6. Step 6: Final answer
    x = 20,687.77

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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.