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Finding the Fourth Proportional to 21,958.04, 32,927.10 and 9,472.16

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Solution

The fourth proportional to 21,958.04, 32,927.10 and 9,472.16 is: 14,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.04 : 32,927.10 = 9,472.16 : x
  2. Step 2: Convert to fraction form
    21,958.04/32,927.10 = 9,472.16/x
  3. Step 3: Cross multiply
    21,958.04x = 32,927.10 × 9,472.16
  4. Step 4: Simplify right side
    21,958.04x = 311,890,759.54
  5. Step 5: Solve for x
    x = 311,890,759.54/21,958.04
  6. Step 6: Final answer
    x = 14,203.94

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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.