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Finding the Fourth Proportional to 21,797.93, 32,644.98 and 15,141.08

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Solution

The fourth proportional to 21,797.93, 32,644.98 and 15,141.08 is: 22,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.93 : 32,644.98 = 15,141.08 : x
  2. Step 2: Convert to fraction form
    21,797.93/32,644.98 = 15,141.08/x
  3. Step 3: Cross multiply
    21,797.93x = 32,644.98 × 15,141.08
  4. Step 4: Simplify right side
    21,797.93x = 494,280,335.39
  5. Step 5: Solve for x
    x = 494,280,335.39/21,797.93
  6. Step 6: Final answer
    x = 22,675.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.