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Finding the Fourth Proportional to 21,482.67, 32,067.03 and 19,899.84

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Solution

The fourth proportional to 21,482.67, 32,067.03 and 19,899.84 is: 29,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.67 : 32,067.03 = 19,899.84 : x
  2. Step 2: Convert to fraction form
    21,482.67/32,067.03 = 19,899.84/x
  3. Step 3: Cross multiply
    21,482.67x = 32,067.03 × 19,899.84
  4. Step 4: Simplify right side
    21,482.67x = 638,128,766.28
  5. Step 5: Solve for x
    x = 638,128,766.28/21,482.67
  6. Step 6: Final answer
    x = 29,704.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.