Home / 21,454.93-29,591.49-18,797.73

Finding the Fourth Proportional to 21,454.93, 29,591.49 and 18,797.73

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Solution

The fourth proportional to 21,454.93, 29,591.49 and 18,797.73 is: 25,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.93 : 29,591.49 = 18,797.73 : x
  2. Step 2: Convert to fraction form
    21,454.93/29,591.49 = 18,797.73/x
  3. Step 3: Cross multiply
    21,454.93x = 29,591.49 × 18,797.73
  4. Step 4: Simplify right side
    21,454.93x = 556,252,798.84
  5. Step 5: Solve for x
    x = 556,252,798.84/21,454.93
  6. Step 6: Final answer
    x = 25,926.57

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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.