Home / 19,729.98-27,227.96-10,777.90

Finding the Fourth Proportional to 19,729.98, 27,227.96 and 10,777.90

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Solution

The fourth proportional to 19,729.98, 27,227.96 and 10,777.90 is: 14,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.98 : 27,227.96 = 10,777.90 : x
  2. Step 2: Convert to fraction form
    19,729.98/27,227.96 = 10,777.90/x
  3. Step 3: Cross multiply
    19,729.98x = 27,227.96 × 10,777.90
  4. Step 4: Simplify right side
    19,729.98x = 293,460,230.08
  5. Step 5: Solve for x
    x = 293,460,230.08/19,729.98
  6. Step 6: Final answer
    x = 14,873.82

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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.