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Finding the Fourth Proportional to 17,291.21, 23,872.04 and 16,294.76

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Solution

The fourth proportional to 17,291.21, 23,872.04 and 16,294.76 is: 22,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.21 : 23,872.04 = 16,294.76 : x
  2. Step 2: Convert to fraction form
    17,291.21/23,872.04 = 16,294.76/x
  3. Step 3: Cross multiply
    17,291.21x = 23,872.04 × 16,294.76
  4. Step 4: Simplify right side
    17,291.21x = 388,989,162.51
  5. Step 5: Solve for x
    x = 388,989,162.51/17,291.21
  6. Step 6: Final answer
    x = 22,496.35

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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.