Home / 19,729.62-27,226.95-10,777.32

Finding the Fourth Proportional to 19,729.62, 27,226.95 and 10,777.32

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Solution

The fourth proportional to 19,729.62, 27,226.95 and 10,777.32 is: 14,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.62 : 27,226.95 = 10,777.32 : x
  2. Step 2: Convert to fraction form
    19,729.62/27,226.95 = 10,777.32/x
  3. Step 3: Cross multiply
    19,729.62x = 27,226.95 × 10,777.32
  4. Step 4: Simplify right side
    19,729.62x = 293,433,552.77
  5. Step 5: Solve for x
    x = 293,433,552.77/19,729.62
  6. Step 6: Final answer
    x = 14,872.74

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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.