Home / 19,728.89-27,226.52-10,777.22

Finding the Fourth Proportional to 19,728.89, 27,226.52 and 10,777.22

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Solution

The fourth proportional to 19,728.89, 27,226.52 and 10,777.22 is: 14,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.89 : 27,226.52 = 10,777.22 : x
  2. Step 2: Convert to fraction form
    19,728.89/27,226.52 = 10,777.22/x
  3. Step 3: Cross multiply
    19,728.89x = 27,226.52 × 10,777.22
  4. Step 4: Simplify right side
    19,728.89x = 293,426,195.87
  5. Step 5: Solve for x
    x = 293,426,195.87/19,728.89
  6. Step 6: Final answer
    x = 14,872.92

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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.