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Finding the Fourth Proportional to 29,554.21, 40,784.04 and 16,125.56

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Solution

The fourth proportional to 29,554.21, 40,784.04 and 16,125.56 is: 22,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,554.21 : 40,784.04 = 16,125.56 : x
  2. Step 2: Convert to fraction form
    29,554.21/40,784.04 = 16,125.56/x
  3. Step 3: Cross multiply
    29,554.21x = 40,784.04 × 16,125.56
  4. Step 4: Simplify right side
    29,554.21x = 657,665,280.14
  5. Step 5: Solve for x
    x = 657,665,280.14/29,554.21
  6. Step 6: Final answer
    x = 22,252.85

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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.