Home / 21,546.88-32,285.76-19,473.28

Finding the Fourth Proportional to 21,546.88, 32,285.76 and 19,473.28

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Solution

The fourth proportional to 21,546.88, 32,285.76 and 19,473.28 is: 29,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.88 : 32,285.76 = 19,473.28 : x
  2. Step 2: Convert to fraction form
    21,546.88/32,285.76 = 19,473.28/x
  3. Step 3: Cross multiply
    21,546.88x = 32,285.76 × 19,473.28
  4. Step 4: Simplify right side
    21,546.88x = 628,709,644.49
  5. Step 5: Solve for x
    x = 628,709,644.49/21,546.88
  6. Step 6: Final answer
    x = 29,178.69

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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.